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The estrous cycle is the period from one ovulation to the next and averages 21 to 23 days in length.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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The final Graafian follicle at day 20 leads to ovulation on day 1 of the subsequent estrous cycle.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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The limited period of heat or sexual receptivity that occurs around ovulation in female mammals having estrous cycles.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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The ovulation date can be as early as day 7 and as late as day 27 of the estrous cycle, emphasizing the importance of the blood test.
|
Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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The start of the estrous cycle is considered to be when ovulation of an egg occurs from the ovary.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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To pick breeding values a producer should use the average ovulation rate form severa l estrous cycles.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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of a breeding male, ovulation was observed in six of seven estrous cycles.
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Ovulation occurs before the endometrium thickens in estrous cycles.
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neutral
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Aerobic respiration occurs at a faster rate than anaerobic respiration because bacteria are able to metabolize more quickly in the presence of oxygen and heat.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
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neutral
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Anaerobic bacteria cannot grow when oxygen is present.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
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neutral
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Facultative anaerobes utilize oxygen and aerobic respiration whenever possible.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
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neutral
|
Flavoproteins in anaerobic respirers can generate oxygen radicals.
|
Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
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neutral
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In conditions where no free oxygen is present, anaerobic respiration takes place.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
|
entails
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That is, they cannot obtain energy through respiration with oxygen, but can grow in the presence of air.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
|
neutral
|
What are the implications of the low yields of energy obtained from anaerobic respiration in regard to rates and standing populations of microorganisms.
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Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
|
neutral
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Without oxygen the respiration does not release all the energy and is called anaerobic respiration.
|
Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
|
entails
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others (anaerobic bacteria) cannot grow in the presence of free oxygen but obtain oxygen from compounds.
|
Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
|
neutral
|
An antioxidant is a substance that reduces or prevents oxidation, a chemical reaction in which oxygen reacts with another substance.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
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Basically it amounts to an inflammatory reaction to substances not normally reacted to.
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
|
Combustion synthesis reaction between Zr metal and oxygen as a mean to prepare stabilized.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
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Free radicals are formed during a chain reaction usually when oxygen reacts with certain substances in the body.
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
|
Fuel NOx is formed by the reaction of nitrogen in the fuel with oxygen in the combustion air.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
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In the reaction chamber the exhaust gas reacts with the available oxygen.
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
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One of the ingredients in EMP reacts with the products of combustion and drives the combustion reactions to completion.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
|
Oxidation is a reaction in which oxygen combines with another substance.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
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neutral
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Oxidizer-- Is a substance that gives up oxygen easily to stimulate combustion of organic material.
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Combustion reaction occurs when a substance reacts quickly with oxygen.
|
neutral
|
Reactions with oxygen are sometimes referred to as combustion reactions.
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
|
entails
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oxidizer A chemical that readily yields oxygen or that vigorously promotes oxidation reactions or combustion.
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
|
neutral
|
react, test A substance is tested for a reaction with another substance;
|
Combustion reaction occurs when a substance reacts quickly with oxygen.
|
neutral
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B Radioactive materials spontaneously emit alpha, beta, gamma, or neutron particles from the nucleus of the unstable atoms making up the material.
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Beta decay occurs when an unstable nucleus emits a beta particle and energy.
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neutral
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Beta Decay It often happens that unstable nuclei emit high-speed electrons called beta particles.
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Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
entails
|
Beta Particles Beta particles are emitted from the nucleus of a radioactive atom with a wide range of energies up to some maximum value.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Beta decay (beta negative decay) occurs when a beta (negative) particle is released from the nucleus ( i.e. , electron).
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
entails
|
Beta particles are emitted from the nucleus of certain radioactive atoms.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Beta-particles are emitted in a spectrum of energies;
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Both alpha and beta particles are emitted from unstable isotopes.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Entropy Nuclear Energy Radioisotopes that decay by emitting nuclear particles (alpha, gamma, and beta particles) into other nuclei are called unstable isotopes.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
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Examples are particles (alpha, beta, and neutrons) and photons (gamma) which are emitted from the nucleus of an unstable (i.e., radioactive) atom during radioactive decay.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Gamma radiation is often emitted from a nucleus at the same time as an alpha or beta particle allowing the nucleus to adjust its energy to a lower, more stable level.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
However, when a beta particle is emitted, the energy is divided between the beta and a neutrino.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Radon contamination 222Rn emits alpha and beta particles, the latter with a decay energy of 5.587 meV.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
The number of scintillations emitted is proportional to the energy of the beta particle.
|
Beta decay occurs when an unstable nucleus emits a beta particle and energy.
|
neutral
|
Evolution can act only on traits that are passed genetically from one generation to the next.
|
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.
|
entails
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Evolution is a percentage change in the heritable traits in a population over one or more generations.
|
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.
|
entails
|
Evolution is the change in heritable traits of biological organisms over successive generations due to natural selection and other mechanisms.
|
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.
|
entails
|
In evolution, having traits that help one survive is very important, but it is only important so that one can reproduce and pass those traits to the next generation.
|
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.
|
entails
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genetic or organic evolution) is the change in the inherited traits of a population of organisms through successive generations.
|
Evolution occurs when organisms acquire and pass on new traits from one generation to the next generation.
|
entails
|
70 And after this time, fora period of time, each day shall bring snow OR drought OR great winds OR terrible rains, each without their seasons;
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Droughts occurs when there is little to no rain in a period of time.
|
neutral
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A drought is a long period of time when there is little to no rain in our environment.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
A drought is a period of time when a region has much less rain than usual.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
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And during periods of drought, the dragon blesses the people with much-needed rain.
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Droughts occurs when there is little to no rain in a period of time.
|
neutral
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At that time there was a great drought, and Shan-wu-wei was ordered to conduct prayers for rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
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Despite the rain, Gordon did little to relieve an ongoing drought in Georgia.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
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Drought Prolonged period with little or no rainfall.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
Drought can be defined as an unusually long period without rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
Drought is a continuous period of dry weather due to lack of rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
Drought means there has been no rain for along time.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
Drought, rain, drought, rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
Droughts are a long time with no rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
Droughts occur in areas where there has been little or no rain for a long period of time.
|
Droughts occurs when there is little to no rain in a period of time.
|
entails
|
If there is drought they whip the Yin Stone, and in due time it rains.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
It is virtually drought-proof and has no critical period when it must receive rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
Since the Raso lark is confined to a small islands-Cape Verde Islands, during times of drought and little rain, they survive by gathering and eating subterranean bulbs of the nutsedges.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
The expected rain and the thawing snow will do little however to compensate for the long period of drought that hit Romania last year.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
The veld is adapted to extreme drought and can survive with little rain.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
They are not used within five days following a rain during a drought period.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
Time planting to avoid drought period.
|
Droughts occurs when there is little to no rain in a period of time.
|
neutral
|
Even though the field appears to have plenty of moisture, the plants wilt because insufficient water is absorbed by the roots to replace that lost from transpiration.
|
Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
|
entails
|
The plants growing in such a habitat do not face the problems of water loss due to transpiration, wilting and drought, They are known as hydrophytes.
|
Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
|
neutral
|
Very small produce loses water more rapidly leading to wilting in storage.
|
Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
|
neutral
|
Wilting was a clear consequence of loss of turgor of leaf cells, and was not apparently ascribable either to a reduction in water uptake and transport or to an increased transpiration.
|
Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
|
neutral
|
EVAPORATION (1) Process by which water on the earth's surface returns to the atmosphere as vapor.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
Evaporation Evaporation is the process whereby liquid water is converted to water vapour (vaporization) and removed from the evaporating surface (vapour removal).
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
Evaporation The process of liquid water becoming water vapor, including vaporization from water surfaces, land surfaces, and snow fields, but not from leaf surfaces.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
Evaporation is the process by which water changes from a liquid to a gas or vapor.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
Evaporation occurs when water on the surface changes to water vapor.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
That water is found in glaciers, ground water, snowfields, ice caps, rain, evaporation, water vapor and surface fresh water.
|
Evaporation occurs when water on the surface changes to water vapor.
|
neutral
|
evaporation ---process by which water is changed from a liquid into a vapor.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
evaporation the movement of gaseous water (water vapor) from the Earth's surface to the atmosphere;
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
evaporation--the process of liquid water becoming water vapor, including vaporization from water surfaces, land surfaces, and snow fields, but not from leaf surfaces.
|
Evaporation occurs when water on the surface changes to water vapor.
|
entails
|
Deposition When running water slows down or comes to a stop, the load that it is carrying is dropped (deposited) on the bottom.
|
Deposition occurs where the water motion slows.
|
entails
|
Deposition occurs where waves and other ocean motions slow.
|
Deposition occurs where the water motion slows.
|
entails
|
deposition occurs where the water slows down.
|
Deposition occurs where the water motion slows.
|
entails
|
The bile salt component of bile (the liver produces about 0.6 grams per day of this) aids in digestion by emulsifying dietary fats.
|
The liver packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products.
|
neutral
|
The cardiovascular system transports FROM cells and tissues waste products , immune cells , antibodies , and clotting proteins , hormones from endocrine cells, and stored nutrients from liver and adipose tissue (fat).
|
The liver packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products.
|
neutral
|
The liver also synthesises vitamins, produces bile and blood-clotting factors, and removes damaged red cells and toxins such as alcohol from the blood.
|
The liver packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products.
|
entails
|
Just take a look at mitochondria, the organelle inside cells that serve as power plants to generate energy.
|
The mitochondria organelles are known as the "power plants" of the cell.
|
entails
|
Mitochondria these organelles are the power plants that convert the food we eat into the energy that drives our cells.
|
The mitochondria organelles are known as the "power plants" of the cell.
|
entails
|
We are also studying organelles known as mitochondria, which are the power plants of mammalian cells.
|
The mitochondria organelles are known as the "power plants" of the cell.
|
entails
|
Phototrophs (green plants and algae), a type of autotroph, convert physical energy from sunlight into chemical energy in the form of reduced carbon.
|
Phototrophs capture light energy and convert it to chemical energy inside its cell.
|
entails
|
Phototrophs Phototrophs take light from the sun and convert it directly into biochemical energy and reducing power.
|
Phototrophs capture light energy and convert it to chemical energy inside its cell.
|
entails
|
5.2 Energy flows through ecosystems in one direction from photosynthetic organisms to herbivores to carnivores and decomposers.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Be able to trace energy flows through ecosystems in one direction, from photosynthetic organisms to herbivores to carnivores and decomposers.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Carnivores eat herbivores, forming the peak of the pyramid and containing the least amount of energy.
|
A(n) carnivore is at the top of the energy pyramid.
|
entails
|
Carnivores get their energy
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Describe the roles of primary producers, herbivores, carnivores, decomposers, parasites, and mutualistic organisms in the energy flow and nutrient cycling of an ecosystem.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Describe the roles of primary producers, herbivores, carnivores, decomposers, parasites, and symbiotic organisms in the energy flow and nutrient cycling of an ecosystem.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Energy flows through ecosystems in one direction, from photosynthetic organisms to herbivores to carnivores to decomposers.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Observing, Organizing, Comparing Organizing Use references to develop a food pyramid for a carnivore and an omnivore, relating the ultimate energy source to the sun.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
Tertiary consumers or secondary carnivores are animals that receive their organic energy by consuming primary carnivores.
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
The role of an organism in nutrient and energy flow within an ecosystem (e.g., herbivore, carnivore, decomposer).
|
A(n) carnivore is at the top of the energy pyramid.
|
neutral
|
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