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Question: Based on this information, what is this tomato plant's genotype for the fruit texture gene? Options: (A) FF (B) smooth fruit Hint: In a group of tomato plants, some individuals have smooth fruit and others have fuzzy fruit. In this group, the gene for the fruit texture trait has two alleles. The allele F is f...
Question: Does this passage describe the weather or the climate? Chad noticed that the sky was filled with cumulus clouds every day last week. Options: (A) weather (B) climate Hint: Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. Answer:A. ...
Question: How long is a leather belt? Options: (A) 25 miles (B) 25 inches (C) 25 yards (D) 25 feet Hint: Select the best estimate. Answer:B. The best estimate for the length of a leather belt is 25 inches. 25 feet, 25 yards, and 25 miles are all too long.
Question: What information supports the conclusion that Ava inherited this trait? Options: (A) Ava's father has brown eyes. He passed this trait down to Ava. (B) Ava's hair is the same color as her brown eyes. Hint: Read the description of a trait. Ava has brown eyes. Answer:A.
Question: Using only these supplies, which question can Malik investigate with an experiment? Options: (A) Do watercolor paintings dry faster when placed next to a fan? (B) Do watercolor paintings dry faster when they are placed inside or outside? (C) Does a large watercolor painting or a small watercolor painting dry ...
Question: Select the animal that has a backbone. Options: (A) pelican (B) bumble bee Hint: Hint: Mammals, birds, fish, reptiles, and amphibians all have backbones. Answer:A. A pelican is a bird. Like other birds, a pelican has a backbone. A bumble bee is an insect. Like other insects, a bumble bee does not have a backb...
Question: Suppose Amanda decides to go on the pirate ship. Which result would be a cost? Options: (A) Amanda will give up the chance to go on the Ferris wheel. She would have had more fun on that ride. (B) Amanda will save some ride tickets. She needs fewer tickets to go on the pirate ship than on the Ferris wheel. Hin...
Question: Is the following trait inherited or acquired? Emmy knows how to type. Options: (A) inherited (B) acquired Hint: Hint: Typing takes practice. Answer:B. People are not born knowing how to type. Instead, many people learn how to type. So, typing is an acquired trait.
Question: Based on this information, what is this rose plant's genotype for the flower color gene? Options: (A) FF (B) light yellow flowers Hint: In a group of rose plants, some individuals have light yellow flowers and others have dark yellow flowers. In this group, the gene for the flower color trait has two alleles....
Question: What is the mass of a vacuum cleaner? Options: (A) 20 pounds (B) 20 tons (C) 20 ounces Hint: Select the best estimate. Answer:A. The best estimate for the mass of a vacuum cleaner is 20 pounds. 20 ounces is too light and 20 tons is too heavy.
Question: What is the mass of a small candy bar? Options: (A) 1 pound (B) 1 ton (C) 1 ounce Hint: Select the best estimate. Answer:C. The best estimate for the mass of a small candy bar is 1 ounce. 1 pound and 1 ton are both too heavy.
Question: The trucks begin to move at the same speed. Which truck needs a larger force to start moving? Options: (A) a mail truck carrying 350 pounds of mail (B) a mail truck carrying 500 pounds of mail Hint: Two mail trucks are loaded with mail. The trucks are the same. But they are carrying different amounts of mail....
Question: Select the vertebrate. Options: (A) giraffe (B) saturn butterfly Hint: Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. Answer:A. A saturn butterfly is an insect. Like other insects, a saturn butterfly is an invertebrate. It does not have a backbone. It has a hard outer cover. A giraffe i...
Question: How long is a soccer field? Options: (A) 105 centimeters (B) 105 meters (C) 105 kilometers Hint: Select the best estimate. Answer:B. The best estimate for the length of a soccer field is 105 meters. 105 centimeters is too short and 105 kilometers is too long.
Question: What information supports the conclusion that Brandon inherited this trait? Options: (A) Brandon's parents have blond hair. They passed down this trait to Brandon. (B) Brandon's mother cuts his hair every month. Hint: Read the description of a trait. Brandon has blond hair. Answer:A.
Question: What is the mass of a news magazine? Options: (A) 10 ounces (B) 10 pounds (C) 10 tons Hint: Select the best estimate. Answer:A. The best estimate for the mass of a news magazine is 10 ounces. 10 pounds and 10 tons are both too heavy.
Question: Is there a surplus or a shortage of stuffed elephants? Options: (A) surplus (B) shortage Hint: A toy store has 40 stuffed elephants for sale. The elephants cost $25 each. At that price, 60 people want to buy one. Answer:B. At the current price, there are not enough stuffed elephants for sale. There are 40 ele...
Question: What information supports the conclusion that Santiago inherited this trait? Options: (A) Santiago wears glasses and so do his sisters. (B) Santiago's friend also has hazel eyes. (C) Santiago's biological father wears contacts in his hazel eyes. Hint: Read the description of a trait. Santiago has hazel eyes. ...
Question: What is the volume of a water balloon? Options: (A) 600 milliliters (B) 600 liters Hint: Select the better estimate. Answer:A. The better estimate for the volume of a water balloon is 600 milliliters. 600 liters is too much.
Question: What is the mass of a vacuum cleaner? Options: (A) 7 kilograms (B) 7 grams Hint: Select the better estimate. Answer:A. The better estimate for the mass of a vacuum cleaner is 7 kilograms. 7 grams is too light.
Question: Based on this information, what is this plant's phenotype for the pod color trait? Options: (A) green pods (B) yellow pods Hint: In a group of pea plants, some individuals have green pods and others have yellow pods. In this group, the gene for the pod color trait has two alleles. The allele for green pods (D...
Question: Based on this information, what is this rainbow trout's phenotype for the body color trait? Options: (A) Bb (B) a greenish-brown body Hint: In a group of rainbow trout, some individuals have a greenish-brown body and others have a blue body. In this group, the gene for the body color trait has two alleles. Th...
Question: What information supports the conclusion that Henry acquired this trait? Options: (A) Henry won a competition at his school with his jump rope tricks. (B) Henry's sister taught him how to do tricks with a jump rope. (C) Henry has three jump ropes, each made of a different material. Hint: Read the description ...
Question: Complete the sentence. In this chemical reaction, gasoline is a (). Options: (A) reactant (B) product Hint: This passage describes a chemical reaction. Read the passage. Then, follow the instructions below. Gasoline provides the energy that powers many car engines. In an engine, gasoline and oxygen are mixed ...
Question: What information supports the conclusion that Caden inherited this trait? Options: (A) Caden's mother has blue eyes. She passed this trait down to Caden. (B) Caden likes to wear a blue sweater to match his blue eyes. Hint: Read the description of a trait. Caden has blue eyes. Answer:A.
Question: Select the one animal that has all of the monotreme traits listed above. Options: (A) Echidnas are covered in fur and spines. Their spines help protect them from predators. When an echidna is scared, it curls up into a ball! Echidnas lay eggs and feed their offspring milk. (B) Adult tiger salamanders have moi...
Question: What is the mass of a guitar? Options: (A) 7 tons (B) 7 ounces (C) 7 pounds Hint: Select the best estimate. Answer:C. The best estimate for the mass of a guitar is 7 pounds. 7 ounces is too light and 7 tons is too heavy.
Question: How long does it take to make a paper airplane? Options: (A) 60 seconds (B) 60 minutes Hint: Select the better estimate. Answer:A. The better estimate for how long it takes to make a paper airplane is 60 seconds. 60 minutes is too slow.
Question: How long is a garden snail? Options: (A) 25 millimeters (B) 25 meters (C) 25 kilometers Hint: Select the best estimate. Answer:A. The best estimate for the length of a garden snail is 25 millimeters. 25 meters and 25 kilometers are both too long.
Question: What information supports the conclusion that Monica acquired this trait? Options: (A) Monica learned history by reading. (B) Monica is most interested in American history. Hint: Read the description of a trait. Monica knows a lot about history. Answer:A.
Question: Based on this information, what is Erin's phenotype for the Huntington's disease trait? Options: (A) not having Huntington's disease (B) having Huntington's disease Hint: This passage describes the Huntington's disease trait in humans: In a group of humans, some individuals have Huntington's disease and othe...
Question: Complete the statement. Assume that Matthew's mass did not change. The gravitational potential energy stored between Matthew and Earth () as he rode the escalator. Options: (A) increased (B) stayed the same (C) decreased Hint: Read the text about a person in motion. Matthew rode an escalator from the first fl...
Question: What is the volume of a fish bowl? Options: (A) 4 liters (B) 4 milliliters Hint: Select the better estimate. Answer:A. The better estimate for the volume of a fish bowl is 4 liters. 4 milliliters is too little.
Question: Based on this information, what is Nica's phenotype for the body hair trait? Options: (A) bb (B) a hairless body Hint: In a group of cats, some individuals have a hairy body and others have a hairless body. In this group, the gene for the body hair trait has two alleles. The allele B is for a hairy body, and ...
Question: According to Newton's third law, what other force must be happening? Options: (A) The metal screw is pulling on the horseshoe magnet. (B) The metal screw is pushing on the horseshoe magnet. Hint: Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces...
Question: Is the following trait inherited or acquired? Noah has five fingers on each hand. Options: (A) acquired (B) inherited Hint: Hint: Noah was born with five fingers on each hand. Answer:B. Most humans are born with five fingers on each hand. So, having five fingers is an inherited trait.
Question: Based on this information, what is this cucumber plant's phenotype for the fruit texture trait? Options: (A) Ff (B) bumpy fruit Hint: In a group of cucumber plants, some individuals have bumpy fruit and others have smooth fruit. In this group, the gene for the fruit texture trait has two alleles. The allele F...
Question: What information supports the conclusion that Leo inherited this trait? Options: (A) Leo's parents have blond hair. They passed down this trait to Leo. (B) Leo's mother cuts his hair every month. Hint: Read the description of a trait. Leo has blond hair. Answer:A.
Question: What information supports the conclusion that Larry acquired this trait? Options: (A) Larry's neighbor taught him how to repair a kite. (B) Larry's friend taught him how to fly a kite. (C) Larry likes to fly a kite with his younger brother. Hint: Read the description of a trait. Larry knows how to fly a kite....
Question: What information supports the conclusion that Kirk acquired this trait? Options: (A) Kirk is most interested in American history. (B) Kirk learned history by reading. Hint: Read the description of a trait. Kirk knows a lot about history. Answer:B.
Question: Complete the sentence. In this chemical reaction, sulfur is a (). Options: (A) reactant (B) product Hint: This passage describes a chemical reaction. Read the passage. Then, follow the instructions below. People have used gunpowder as an explosive for hundreds of years. Gunpowder is a mixture of three differe...
Question: Using only these supplies, which question can Austen investigate with an experiment? Options: (A) Which of the three types of tomato seeds sprouts the fastest? (B) Does a certain kind of tomato plant grow taller when planted in a clay pot or in a plastic pot? (C) Which type of soil will cause a certain kind o...
Question: How long is a garden snail? Options: (A) 27 meters (B) 27 millimeters (C) 27 kilometers (D) 27 centimeters Hint: Select the best estimate. Answer:B. The best estimate for the length of a garden snail is 27 millimeters. 27 centimeters, 27 meters, and 27 kilometers are all too long.
Question: Which object has the least thermal energy? Options: (A) an orange at a temperature of 17°C (B) an orange at a temperature of 12°C (C) an orange at a temperature of 19°C Hint: The objects are identical except for their temperatures. Answer:B. All three oranges have the same mass but different temperatures. Sin...
Question: What information supports the conclusion that Bill inherited this trait? Options: (A) Bill likes to wear a blue sweater to match his blue eyes. (B) Bill's mother has blue eyes. She passed this trait down to Bill. Hint: Read the description of a trait. Bill has blue eyes. Answer:B.
Question: Based on this information, what is Coco's phenotype for the fur length trait? Options: (A) Ff (B) short fur Hint: In a group of Syrian hamsters, some individuals have short fur and others have long fur. In this group, the gene for the fur length trait has two alleles. The allele F is for short fur, and the al...
Question: People still debate economic policy today. Based on the definition above, which of the following is a question about economic policy? Options: (A) Should a panda be considered a bear? (B) Who should have the right to vote? (C) Should students raise their hands before answering? (D) Should the government raise...
Question: Based on this information, what is Rolf's phenotype for the fur color trait? Options: (A) brown fur (B) black fur Hint: In a group of Labrador retrievers, some individuals have black fur and others have brown fur. In this group, the gene for the fur color trait has two alleles. The allele for brown fur (f) is...
Question: Using only these supplies, which question can Danny investigate with an experiment? Options: (A) Do watercolor paintings dry faster when placed next to a fan? (B) Do watercolor paintings dry faster when they are placed inside or outside? (C) Does a large watercolor painting or a small watercolor painting dry ...
Question: What information supports the conclusion that Steve acquired this trait? Options: (A) Steve likes to look at butterflies and beetles. (B) Steve learned to identify insects by reading many books about insects. Hint: Read the description of a trait. Steve is good at identifying insects. Answer:B.
Question: Using only these supplies, which question can Sean investigate with an experiment? Options: (A) Does white sandwich bread grow visible mold in fewer days if the bread is stored inside or outside the refrigerator? (B) Does white sandwich bread grow visible mold in fewer days if the bread is stored in a paper b...
Question: Is the following trait inherited or acquired? Lola has naturally blond hair. Options: (A) inherited (B) acquired Hint: Hint: Some people dye their hair. But this does not change their natural hair color. Answer:A. Humans do not choose their natural hair color. Instead, children get their natural hair color fr...
Question: What is the volume of a bathtub? Options: (A) 375 milliliters (B) 375 liters Hint: Select the better estimate. Answer:B. The better estimate for the volume of a bathtub is 375 liters. 375 milliliters is too little.
Question: What information supports the conclusion that Julia acquired this trait? Options: (A) Julia knits sweaters using cotton, wool, and other types of yarn. (B) Julia learned how to knit in an after school program. Hint: Read the description of a trait. Julia knows how to knit sweaters. Answer:B.
Question: Using only these supplies, which question can Clarence investigate with an experiment? Options: (A) Do the squirrels eat walnuts from large feeders more often than from small feeders? (B) Do the squirrels select sunflower seeds or walnuts more often? (C) Which type of tree do the squirrels feed from most ofte...
Question: What is the mass of a trumpet? Options: (A) 1 kilogram (B) 1 gram Hint: Select the better estimate. Answer:A. The better estimate for the mass of a trumpet is 1 kilogram. 1 gram is too light.
Question: Assume all other forces on the dresser are balanced. Which statement describes the forces on the dresser? Options: (A) The forces are unbalanced, so there is a net force on the dresser. (B) The forces are balanced, so there is no net force on the dresser. Hint: Sophie is sliding a heavy dresser across the car...
Question: Does this passage describe the weather or the climate? Jeffrey lives in a town with hot summers and freezing cold winters. Options: (A) weather (B) climate Hint: Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. Answer:B. Read the t...
Question: Is the following trait inherited or acquired? Ruben has a scar on his left elbow. Options: (A) inherited (B) acquired Hint: Hint: Most scars are caused by accidents during a person's life. Answer:B. Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scar...
Question: How long is a grain of rice? Options: (A) 4 centimeters (B) 4 millimeters (C) 4 kilometers (D) 4 meters Hint: Select the best estimate. Answer:B. The best estimate for the length of a grain of rice is 4 millimeters. 4 centimeters, 4 meters, and 4 kilometers are all too long.
Question: Choose the poem that uses onomatopoeia. Options: (A) I have seen the proudest stars That wander on through space, Even the sun and moon, But not your face. (B) Ay, bring the hillside beech From where the owlets meet and screech, And ravens croak; The crackling pine, and cedar sweet Hint: From Robert Hinckley ...
Question: Is the following trait inherited or acquired? Lexi is good at cooking. Options: (A) inherited (B) acquired Hint: Hint: Cooking well takes practice. Answer:B. People are not born knowing how to cook. Instead, many people learn how to cook. So, cooking is an acquired trait.
Question: What information supports the conclusion that Judith inherited this trait? Options: (A) Judith's parents have dark skin. They passed down this trait to Judith. (B) Judith and her father both have dark hair. Hint: Read the description of a trait. Judith has dark skin. Answer:A.
Question: Select the invertebrate. Options: (A) saturn butterfly (B) robin (C) Galapagos giant tortoise (D) ground squirrel Hint: Hint: Insects, spiders, and worms are invertebrates. Answer:A. A saturn butterfly is an insect. Like other insects, a saturn butterfly is an invertebrate. It does not have a backbone. It has...
Question: What information supports the conclusion that Deb inherited this trait? Options: (A) Deb and her mother both have short hair. (B) Deb's parents were born with wavy hair. They passed down this trait to Deb. Hint: Read the description of a trait. Deb has wavy hair. Answer:B.
Question: Using only these supplies, which question can Mason investigate with an experiment? Options: (A) When hung in the laundry room, do black cloth towels or white cloth towels dry more quickly? (B) Do cloth towels dry faster if they are hung in the laundry room or in the backyard? (C) Does a small cloth towel or ...
Question: Select the vertebrate. Options: (A) red-kneed tarantula (B) giant octopus (C) red-tailed hawk (D) castor bean tick Hint: Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. Answer:C. Like other tarantulas, a red-kneed tarantula is an invertebrate. It does not have a backbone. It has an exosk...
Question: Which ping pong ball has a higher temperature? Options: (A) the ping pong ball with more thermal energy (B) the ping pong ball with less thermal energy Hint: Two ping pong balls are identical except for their thermal energies. Answer:A. The two ping pong balls are made of the same material and have the same m...
Question: Assume all other forces on the train are balanced. Which statement describes the forces on the train? Options: (A) The forces are unbalanced, so there is a net force on the train. (B) The forces are balanced, so there is no net force on the train. Hint: A train is sitting on a magnetic track. Earth's gravity ...
Question: What is the temperature of a hot day in the desert? Options: (A) 47°F (B) 47°C Hint: Select the better estimate. Answer:B. The better estimate for the temperature of a hot day in the desert is 47°C. 47°F is too cold.
Question: Which soccer ball has a lower temperature? Options: (A) the soccer ball with more thermal energy (B) the soccer ball with less thermal energy Hint: Two soccer balls are identical except for their thermal energies. Answer:B. The two soccer balls are made of the same material and have the same mass. So, the soc...
Question: Complete the statement. Phosphine is (). Options: (A) a compound (B) an elementary substance Hint: Phosphine is a poisonous gas that some farmers use to kill insects. The chemical formula for phosphine is PH3. Answer:A. You can tell whether phosphine is an elementary substance or a compound by counting the nu...
Question: Select the phase of the Moon shown in the model. Options: (A) new (B) full Hint: The model below shows the Moon at one position in its orbit around Earth. The white half of the Moon shows the part that is lit up by the Sun. Answer:B.
Question: What information supports the conclusion that Shawn acquired this trait? Options: (A) Shawn's scar was caused by an accident. He cut his arm when he fell off his bicycle. (B) Some scars fade more quickly than others. Hint: Read the description of a trait. Shawn has a scar on his right arm. Answer:A.
Question: What information supports the conclusion that Percy acquired this trait? Options: (A) Percy rides his bicycle to school. (B) Percy's friend showed him how to ride a bicycle. (C) Percy and his mother both ride bicycles. Hint: Read the description of a trait. Percy can ride a bicycle. Answer:B.
Question: What information supports the conclusion that Jackie acquired this trait? Options: (A) Jackie can fly a plane on cloudy days and at night. (B) A pilot taught Jackie how to fly a plane. (C) Jackie is in the Air Force. She flies a plane almost every day. Hint: Read the description of a trait. Jackie knows how t...
Question: What is the volume of a paper drinking cup? Options: (A) 175 milliliters (B) 175 liters Hint: Select the better estimate. Answer:A. The better estimate for the volume of a paper drinking cup is 175 milliliters. 175 liters is too much.
Question: Which object has the most thermal energy? Options: (A) a 525-gram bath towel at a temperature of 4°C (B) a 525-gram bath towel at a temperature of 14°C (C) a 525-gram bath towel at a temperature of 9°C Hint: The objects are identical except for their temperatures. Answer:B. All three bath towels have the same...
Question: How long is a bench? Options: (A) 9 miles (B) 9 feet (C) 9 inches (D) 9 yards Hint: Select the best estimate. Answer:B. The best estimate for the length of a bench is 9 feet. 9 inches is too short. 9 yards and 9 miles are too long.
Question: Suppose Alec decides to join the Theater Club. Which result would be a cost? Options: (A) Alec will save some time. He would have spent more time in the Photography Club than in the Theater Club. (B) Alec will give up the chance to be in the Photography Club. He would have had more fun in the Photography Club...
Question: What information supports the conclusion that Kristen acquired this trait? Options: (A) Kristen's scar is on her right elbow. Her father also has a scar on his right elbow. (B) Kristen's sister has a bruise from falling on her elbow. (C) Kristen's scar was caused by an accident. She cut her arm when she fell ...
Question: What information supports the conclusion that Lauren inherited this trait? Options: (A) Lauren has green eyes like her biological mother. (B) Lauren and her biological father wear sunglasses when they go outside. (C) Lauren's neighbor has green eyes. Hint: Read the description of a trait. Lauren has green eye...
Question: Select the one animal that has all of the fish traits listed above. Options: (A) Great crested newts have moist brown skin with black spots. Adult great crested newts mostly live on land, but young newts live underwater. Great crested newt eggs do not have shells. The female newts wrap their eggs in leaves fo...
Question: Using only these supplies, which question can Nora investigate with an experiment? Options: (A) Do round rocks or flat rocks skip more times when thrown across the river? (B) Do small rocks or large rocks skip more times when thrown across the river? (C) Do rocks skip more times when thrown across a river or ...
Question: Using only these supplies, which question can Madelyn investigate with an experiment? Options: (A) Does milk chocolate or dark chocolate melt faster when heated on the stove? (B) Does milk chocolate melt faster when heated in a microwave or on a stove? (C) Does dark chocolate or white chocolate melt faster wh...
Question: Based on this information, what is Wishbone's phenotype for the fur texture trait? Options: (A) soft fur (B) ff Hint: In a group of dachshund dogs, some individuals have rough fur and others have soft fur. In this group, the gene for the fur texture trait has two alleles. The allele F is for rough fur, and th...
Question: Which of the following is an example of technologies? Options: (A) a compass to show direction (B) a hurricane that damages homes Hint: People in early China invented many new types of technologies. Today, the word "technology" often refers to electronic objects such as computers and cell phones. But technolo...
Question: Using only these supplies, which question can Brian investigate with an experiment? Options: (A) Does a certain kind of tomato plant grow taller when planted in a clay pot or in a plastic pot? (B) Which type of soil will cause a certain kind of tomato plant to grow the most fruit? (C) Which of the three types...
Question: Using only these supplies, which question can Miranda investigate with an experiment? Options: (A) Does a rubber inner tube sled or a plastic sled go faster down a hill? (B) Does a plastic sled or a wooden sled go down a hill faster? (C) Does a rubber inner tube sled go faster down a small hill or down a big ...
Question: Which plate of spaghetti has a higher temperature? Options: (A) the plate of spaghetti with more thermal energy (B) the plate of spaghetti with less thermal energy Hint: Two plates of spaghetti are identical except for their thermal energies. Answer:A. The two plates of spaghetti are made of the same material...
Question: What is the mass of a full box of cereal? Options: (A) 470 grams (B) 470 kilograms Hint: Select the better estimate. Answer:A. The better estimate for the mass of a full box of cereal is 470 grams. 470 kilograms is too heavy.
Question: Does this passage describe the weather or the climate? Morning clouds usually clear up by noon where Kimi lives. Options: (A) climate (B) weather Hint: Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. Answer:A. Read the text carefu...
Question: What is the mass of a fire truck? Options: (A) 20 ounces (B) 20 pounds (C) 20 tons Hint: Select the best estimate. Answer:C. The best estimate for the mass of a fire truck is 20 tons. 20 ounces and 20 pounds are both too light.
Question: Which drop of dish soap has a higher temperature? Options: (A) the drop of dish soap with more thermal energy (B) the drop of dish soap with less thermal energy Hint: Two drops of dish soap are identical except for their thermal energies. Answer:A. The two drops of dish soap are made of the same material and ...
Question: Based on this information, what is this bitter melon plant's genotype for the seed color gene? Options: (A) dark brown seeds (B) DD Hint: In a group of bitter melon plants, some individuals have dark brown seeds and others have light brown seeds. In this group, the gene for the seed color trait has two allele...
Question: Suppose Layla decides to plant the eucalyptus tree. Which result would be a cost? Options: (A) The eucalyptus tree will use up more space than the hydrangeas would have used up. (B) Layla will get to look at the eucalyptus tree. She thinks it will look more beautiful than the hydrangeas would have looked. Hin...
Question: What is the mass of a guitar? Options: (A) 8 tons (B) 8 ounces (C) 8 pounds Hint: Select the best estimate. Answer:C. The best estimate for the mass of a guitar is 8 pounds. 8 ounces is too light and 8 tons is too heavy.
Question: Based on this information, what is this plant's phenotype for the pod shape trait? Options: (A) constricted pods (B) inflated pods Hint: This passage describes the pod shape trait in pea plants: In a group of pea plants, some individuals have inflated pods and others have constricted pods. In this group, the...
Question: What is the mass of an eraser? Options: (A) 46 grams (B) 46 kilograms Hint: Select the better estimate. Answer:A. The better estimate for the mass of an eraser is 46 grams. 46 kilograms is too heavy.
Question: Using only these supplies, which question can Riley investigate with an experiment? Options: (A) Do rocks skip more times when thrown across a river or across a pond? (B) Do round rocks or flat rocks skip more times when thrown across the river? (C) Do small rocks or large rocks skip more times when thrown ac...