questionID stringlengths 10 10 | question_text stringlengths 5 342 | answer_choices stringlengths 17 546 | correct_answer stringclasses 7
values | context stringclasses 664
values |
|---|---|---|---|---|
NDQ_006432 | based on his polar experiences, wegener thought the continents | a. were joined into a single landmass that was near the north pole, b. could move like an icebreaking ship through ice sheets, c. could not have been joined because glaciers would have originated in the oceans if they were, d. all of the above | b | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006433 | the continents were joined into a single landmass that has since broken apart, which wegener named | a. rhodinia, b. gondwana, c. panthelassa, d. pangaea | d | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006434 | many of the best scientists of the day agreed with wegeners hypothesis even though he did not have a plausible mechanism for continental movement. | a. true, b. false | b | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006435 | the reason scientists did not accept wegeners mechanism for continental drift is | a. if these forces were strong enough to move continents the planet would spin out of control, b. they calculated that centrifugal and tidal forces are too weak to move the continents, c. if the continents were plowing through ocean basins, sea level should be much higher than it is, d. none of these | b | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006436 | this drives continental movements. | a. convection currents in the mantle, b. centrifugal forces, c. tidal forces, d. horizontal heat conduction | a | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006437 | the heat source for plate motions is the mantle. | a. true, b. false | b | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006438 | a convection cell explains a circular motion of | a. warm material rising and cool material sinking, b. cool material rising and warm material sinking, c. deep material being squeezed by high pressure to the surface and surface material falling into the deep, d. surface material becoming dense and sinking due to high pressure and deep material having less pressure and... | a | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006439 | scientists rejected wegeners theory because | a. it didnt explain the fossil evidence, b. it didnt explain the puzzle-like fit of the continents, c. there was no plausible mechanism to explain continental movement, d. all of the above | c | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006440 | where two adjacent convection cells rise to the surface, a continent could break apart and the pieces could move in the opposite direction. | a. true, b. false | a | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006441 | the hypothesis of continental drift was ignored until new evidence was found that pointed to a mechanism. | a. true, b. false | a | Lesson: wegener and the continental drift hypothesis
Wegeners Continental Drift Hypothesis:
Wegener put his idea and his evidence together in his book The Origin of Continents and Oceans, first published in 1915. New editions with additional evidence were published later in the decade. In his book he said that around ... |
NDQ_006452 | waves break when they become too tall to be supported by their base. | a. true, b. false | a | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006453 | water that is pushed in a pile near shore by storm winds causing sea levels to rise locally. | a. massive wave, b. flood, c. storm surge, d. none of the above | c | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006455 | waves get started when | a. wind energy creates tiny ripples that are easier for later winds to catch onto, b. wind gusts fast across a flat sea, c. a high pressure cell pushes down on the sea surface so that when it bounces back it starts waves, d. none of these | a | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006456 | in deep water, water molecules travel in a ________________ motion. | a. back-and-forth, b. up and down, c. random, d. circular | d | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006457 | wave energy is lowest at the surface and increases with depth. | a. true, b. false | b | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006458 | the energy contained in bottom of the wave is reduced due to friction with the shore. | a. true, b. false | a | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006459 | the largest waves are built by | a. very strong winds, b. winds that blow steadily for a long period of time, c. winds that blow over a long distance, d. all of these | d | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006460 | the water in a wave travels across the ocean to end up on a shoreline. | a. true, b. false | b | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006461 | why does a bottle appear to bob in place when its in a lake with small waves? | a. the bottle experiences just up and down motion, b. the bottle is moving in a circle, but staying roughly in place, c. the bottle appears to stay in place, but it is actually moving slowly forward, d. none of these | b | Lesson: wind waves
Ocean Waves:
Waves have been discussed in previous concepts in several contexts: seismic waves traveling through the planet, sound waves traveling through seawater, and ocean waves eroding beaches. Waves transfer energy, and the size of a wave and the distance it travels depends on the amount of ene... |
NDQ_006576 | Who invented the microscope? | a. Robert Hooke, b. Anton van Leeuwenhoek, c. Zacharias and Hans Jansen, d. none of the above | c | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006577 | __________The microscope was invented in the late 1800s. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006578 | __________The earliest microscopes were light microscopes. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006579 | What is Micrographia? | a. a book published by van Leeuwenhoek, b. the first book of microscopic studies, c. a method of drawing microscopic images, d. two of the above | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006580 | To be seen with a light microscope, an object must be wider than 550 | a. micrometers, b. nanometers, c. millimeters, d. centimeters | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006581 | __________An individual bacterial cell is invisible without a microscope. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006582 | __________Many life science discoveries would not have been possible without the microscope. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006583 | Electron microscopes can make clear images that are as much as two | a. hundred times bigger than the actual object, b. thousand times bigger than the actual object, c. million times bigger than the actual object, d. billion times bigger than the actual object | c | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006584 | __________An electron microscope magnifies objects up to 2 billion times larger than their actual size. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006585 | The tiny building blocks of organisms are called | a. bacteri, b. microorganisms, c. animalcules, d. cells | d | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006587 | __________The first microscope was made by Anton van Leeuwenhoek. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006589 | __________The Jansens discovered that one lens magnified objects more than several lenses. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006597 | _The cell theory depended on the discovery of the microscope. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006598 | _Only light of certain wavelengths is visible to the human eye. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006600 | _The Jansens microscopes were stronger than van Leeuwenhoeks microscopes. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006603 | _Electron microscopes are more powerful than light microscopes. | a. true, b. false | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006604 | _Light microscopes are no longer used today. | a. true, b. false | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006605 | __________first scientist to observe bacteria with a microscope | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006606 | __________microscopic building block of all living things | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | c | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006607 | __________scientist who discovered cells | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | f | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006608 | __________type of microscope that uses lenses to refract visible light | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | g | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006609 | __________general term for an instrument that makes magnified images of very small objects | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006610 | __________name associated with the invention of the microscope | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | d | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006611 | __________type of microscope that passes electrons over or through objects | a. microscope, b. van Leeuwenhoek, c. cell, d. Jansen, e. electron microscope, f. Hooke, g. light microscope | e | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006612 | The invention of the microscope allowed scientists to see | a. cells, b. bacteria, c. human sperm, d. all of the above | d | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006613 | A microscope is an instrument that makes | a. tiny objects look bigger, b. distant objects look closer, c. distant objects look bigger, d. large objects look smaller | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006614 | The inventors of the microscope were | a. English, b. Dutch, c. German, d. American | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006615 | Van Leeuwenhoeks microscopes could magnify objects as much as | a. 270 times their actual size, b. 550 times their actual size, c. 1,000 times their actual size, d. none of the above | a | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006616 | Light microscopes refract visible light and form images with | a. electrons, b. lenses, c. slides, d. bulbs | b | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006617 | What is the magnification of the most powerful light microscope? | a. 20 times, b. 200 times, c. 2,000 times, d. 2,000,000 times | c | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006618 | The wavelength of visible light is | a. 5 nanometers, b. 55 nanometers, c. 550 nanometers, d. 5,500 nanometers | c | Lesson: the microscope
Importance of the Microscope in Life Science:
Many life science discoveries would not have been possible without the microscope. For example: Cells are the tiny building blocks of living things. They couldnt be discovered until the microscope was invented. The discovery of cells led to the cell ... |
NDQ_006904 | Which statement is true about both flatworms and roundworms? | a. They lack body symmetry, b. They may be parasites, c. They have a complete digestive system, d. all of the above | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006905 | How many species belong to Phylum Platyhelminthes? | a. more than 25,000, b. fewer than 15,000, c. about 10,000, d. about 8,000 | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006906 | Flatworms are flat because they | a. have an incomplete digestive system, b. lack a pseudocoelom or coelom, c. have just two embryonic cell layers, d. lack a mesoderm cell layer | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006907 | All flatworms | a. are less than a meter long, b. live in water or moist soil, c. reproduce asexually by budding, d. have a concentration of nerve tissue in the head end | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006908 | Which of the following organisms is a flatworm? | a. hookworm, b. ascaris, c. tapeworm, d. all of the above | c | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006909 | Flatworms reproduce by producing | a. buds, b. spores, c. gametes, d. none of the above | c | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006910 | Both flatworms and roundworms may be found living in | a. water, b. moist soil, c. vertebrate hosts, d. any of the above | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006911 | The body of a roundworm is covered with | a. slime, b. hooks, c. suckers, d. cuticle | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006912 | Which statement about roundworm reproduction is true? | a. Sperm and eggs are produced by the same adult, b. Fertilization occurs in the water outside the adults body, c. Eggs hatch into larvae, which develop into adults, d. Reproduction may occur sexually or asexually | c | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006913 | A roundworms body is stiff because of | a. the endoskeleton, b. the exoskeleton, c. fluid pressure, d. a notochord | c | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006915 | Free-living roundworms may feed on | a. bacteria, b. fungi, c. protists, d. all of the above | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006917 | How many eggs can a single roundworm lay in a day? | a. about 10, b. up to 100, c. around 1,000, d. as many as 100,000 | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006925 | Most flatworm species have separate sexes. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006926 | When flatworms reproduce, eggs are fertilized outside the body. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006928 | Flatworms can eat, digest food, and eliminate wastes all at the same time. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006931 | Free-living roundworms may feed on bacteria, fungi, or protozoa. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006932 | Roundworms play an important role in the carbon cycle. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006933 | _All flatworms are several meters long. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006934 | _Flatworms have a concentration of nerve tissue in the head end. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006935 | _Flatworms may have several different larval stages. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006936 | _A parasitic flatworm usually needs more than one type of host to complete its life cycle. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006937 | _Phylum Nematoda has less than 800 known species. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006938 | _The body of a roundworm has a tough covering of cuticle. | a. true, b. false | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006939 | _All parasitic roundworms have vertebrate hosts. | a. true, b. false | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006940 | ___name of the phylum to which roundworms belong | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | c | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006941 | ___common name for the type of worm that has a pseudocoelom | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | d | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006942 | ___parasitic roundworm with special structures for attaching to the hosts intestines | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | a | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006943 | ___common name for the type of worm that lacks a pseudocoelom | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | b | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006944 | ___example of a flatworm that is a human parasite | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | g | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006945 | ___name of the phylum to which flatworms belong | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | f | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006946 | ___largest and most common parasitic worm in humans | a. hookworm, b. flatworm, c. Nematoda, d. roundworm, e. ascaris, f. Platyhelminthes, g. tapeworm | e | Lesson: flatworms and roundworms
Flatworms:
Flatworms are invertebrates that belong to Phylum Platyhelminthes. There are more than 25,000 species in the flatworm phylum. Not all flatworms are as long as tapeworms. Some are only about a millimeter in length.
Flatworm Adaptations:
Flatworms have a flat body because th... |
NDQ_006947 | All of the following are annelids except | a. slugs, b. earthworms, c. polychaete worms, d. leeches | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006948 | ___special tissue on the outer surface of a mollusk that secretes a shell | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | g | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006949 | ___type of annelid that feeds off the blood of a vertebrate host | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | f | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006950 | Organ systems found in mollusks include a(n) | a. circulatory system, b. excretory system, c. incomplete digestive system, d. two of the above | d | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006951 | Mollusks generally have all of the following except for | a. a head region, b. a muscular foot, c. a layer called the mantle, d. repeating body segments | d | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006952 | ___mollusk feeding organ with teeth | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | e | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006953 | ___name of the phylum to which snails belong | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | d | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006954 | Which of the following is not an annelid structure? | a. brain, b. sensory organs, c. large coelom, d. shell | d | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006955 | ___type of annelid that lives on the ocean floor | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | c | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006956 | What are leeches? | a. segmented worms, b. mollusks, c. shelled invertebrates, d. two of the above | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006958 | ___name of the phylum to which earthworms belong | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006960 | ___trait found in annelids but not in roundworms | a. Annelida, b. segmentation, c. polychaete worm, d. Mollusca, e. radula, f. leech, g. mantle | b | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006968 | Some mollusks are so small that they are nearly microscopic. | a. true, b. false | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006969 | The head of a mollusk may have tentacles for sensing the environment. | a. true, b. false | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006971 | All mollusks are free-living heterotrophs. | a. true, b. false | b | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006974 | There are more than a million known species of annelids. | a. true, b. false | b | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006975 | Annelids can reproduce only sexually. | a. true, b. false | b | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006976 | _There are more than 100,000 known species of mollusks. | a. true, b. false | a | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
NDQ_006977 | _The largest mollusk is about as big as a human adults fist. | a. true, b. false | b | Lesson: mollusks and annelids
Mollusks:
Have you ever been to the ocean or eaten seafood? If you have, then youve probably encountered members of Phylum Mollusca. In addition to snails, mollusks include squids, slugs, scallops, and clams. You can see a clam in Figure 12.15. There are more than 100,000 known species of... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.