step_proofs

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sentences listlengths 2 18	label int64 0 2
[ "winter has cold temperatures & temperature is a property of the environment -> winter means cold environmental temperature", " winter means cold environmental temperature & an animal requires warmth for survival -> animals must move to a warmer environment during the winter", " animals must move to a warmer ...	1
[ "climate means the average temperature / weather in an area & winter has cold temperatures / weather -> winter can cause the climate in an area to become cold", " winter can cause the climate in an area to become cold & an animal requires warmth for survival -> some animals must move to warmer climates in the w...	1
[ "an instinctive behavior is a kind of behavioral adaptation & migrating is an instinctive behavior -> migration is a kind of behavioral adaptation", " " ]	1
[ "winter has cold temperatures & temperature is a property of the environment -> an environment is cold in the winter", " an environment is cold in the winter & cold environments usually have little food for animals -> an environment usually has little food for animals in the winter", " an environment usually ...	1
[ "an instinctive behavior is a kind of behavioral adaptation & migrating is an instinctive behavior -> migration is a kind of behavioral adaptation", " " ]	1
[ "nest building is a kind of adaptation & adaptation has a positive impact on the survival of a species -> nest building has a positive impact on the survival of a species", " nest building has a positive impact on the survival of a species & a nest is a kind of resource for a bird -> nest building has a positiv...	1
[ "a behavior is a kind of characteristic & an instinctive behavior is a kind of inherited characteristic -> an instinctive behavior is a kind of inherited behavior", " an instinctive behavior is a kind of inherited behavior & an example of an inherited behavior is a bird building a nest -> an example of an insti...	1
[ "an animal needs to attract a mate to reproduce & in order to attract a mate, an animal must let other animal know that it is a potential mate -> an animal needs to let other animals know that it is a potential mate to reproduce", " an animal needs to let other animals know that it is a potential mate to reprodu...	1
[ "a shell is a covering around the body of a shelled animal & covering something is a kind of protection -> a shell is a kind of protection for some animals", " a shell is a kind of protection for some animals -> the shell of an animal is used to protect the animal", " a shell is a part of a snail & a snail is...	1
[ "wasp 's stinger contains poison & poison causes harm to living things -> a wasp's stinger can be used to cause harm to living things", " a wasp's stinger can be used to cause harm to living things & harming is a kind of defense -> a stinger is used for defense by a wasp", " " ]	1
[ "an example of camouflage is an organism looking like its environment & color is a property of an organism that describes what it looks like -> an example of camouflage is an organism having the same color as its environment", " an example of camouflage is an organism having the same color as its environment & i...	1
[ "white fur is white in color & snow is white in color -> white fur and snow are the same color", " white fur and snow are the same color & fur is often a part of an animal -> an animal with white fur and snow are the same color", " an animal is a kind of organism & an example of camouflage is organism having ...	1
[ "snow is white in color & white fur is white in color -> white fur and snow are the same color", " white fur and snow are the same color & fur is often part of an animal -> an animal with white fur and snow are the same color", " an example of camouflage is organism having the same color as its environment & ...	1
[ "a leaf is often green in color & a green tree frog is green in color -> a green tree frog and a leaf are the same color", " a green tree frog and a leaf are the same color & an example of camouflage is organism having the same color as its environment -> an example of camouflage is an organism looking like lea...	1
[ "hiding can be used for avoiding predators & avoiding predators has a positive impact on an organism 's survival -> hiding has a positive impact on an organism's survival", " hiding has a positive impact on an organism's survival & camouflage is a kind of adaptation for hiding in an environment -> camouflage ha...	1
[ "to blend into something means ability to be seen decreases when around that something & hiding means ability to be seen decreases for camouflage -> to blend into something means to hide in something", " to blend into something means to hide in something & white fur blends into snow -> an example of hiding is w...	1
[ "an example of camouflage is an organism looking like its environment & color is a property of something that describes how that something looks -> an example of camouflage is an organism having the same color as its environment", " an example of camouflage is an organism having the same color as its environment...	1
[ "an example of camouflage is an organism looking like its environment & color is a property of something that describes what that something looks like -> an example of camouflage is an organism having the same color as its environment", " an example of camouflage is an organism having the same color as its envir...	1
[ "color is a property of something that describes how that something looks & an example of camouflage is an organism looking like its environment -> an example of camouflage is an organism having the same color as its environment", " an example of camouflage is an organism having the same color as its environment...	1
[ "camouflage is a kind of adaptation for hiding in an environment & an adaptation has a positive impact on an animal 's survival -> camouflage has a positive impact on an animal's survival", " an animal is a kind of organism & an example of camouflage is an organism looking like its environment -> an exmple of c...	1
[ "an animal is a kind of organism & a rabbit is a kind of animal -> a rabbit is a kind of organism", " a rabbit is a kind of organism & an example of camouflage is an organism having the same color as its environment -> an example of camouflage is a rabbit having the same color as its environment", " snow fall...	1
[ "some leaves have a speckled brown color & some birds have a speckled brown color -> some birds look like leaves", " a bird is a kind of thing & things that looks like other things are difficult to distinguish from that other thing -> birds that look like other things are difficult to distinguish from that othe...	1
[ "color is a property of something that describes how that something looks & an example of camouflage is an organism looking like its environment -> an example of camouflage is an organism having the same color as its environment", " some environments change colors & a chameleon can change colors -> a chameleon ...	1
[ "an arctic fox is a kind of animal2 & color is a property of something that describes how that something looks -> an example of camouflage is organism having the same color as its environment", " an example of camouflage is organism having the same color as its environment & some environments change color -> an...	1
[ "an example of camouflage is an organism looking like its environment & color is a property of something that describes what that something looks like -> an example of camouflage is organism having the same color as its environment", " an example of camouflage is organism having the same color as its environment...	1
[ "things that are the same color blend into each other1 & things that are the same color blend into each other4 -> a rat snake is a kind of animal that is gray", " an adaptation is a kind of inherited charactersitic that helps an animal survive / reproduce & the coloration of parts of an animals are inherited cha...	1
[ "camouflage is a kind of adaptation for hiding in an environment & an example of camouflage is organism having the same color as its environment -> an organism having the same color as its environment is a kind of adaptation for hiding in that environment", " an organism having the same color as its environment ...	1
[ "living underground can be used for hiding from predators & hiding can be used for avoiding predators -> living underground can be used for avoiding predators", " living underground can be used for avoiding predators & a predator eats other animals for food -> living underground can be used for avoiding being e...	1
[ "most animals avoid bad odors & a predator is a kind of animal -> a predator may avoid bad odors", " a predator may avoid bad odors & some animals produce bad odors -> predators may avoid animals that produce bad odors", " predators may avoid animals that produce bad odors & causing predators to avoid you is ...	1
[ "covering something is a kind of protection & a shell is a covering around the body of a shelled animal -> the shell of an animal is used to protect the animal", " the shell of an animal is used to protect the animal & a shell is a part of a turtle -> a shell is a part of a turtle for protecting the turtle", "...	1
[ "black ink in water causes animals to have difficulty seeing & a predator is a kind of animal -> black ink in water causes predators to have difficulty seeing", " black ink in water causes predators to have difficulty seeing & octopuses release black ink into water -> octopuses releasing ink into the water caus...	1
[ "predators usually need to be as fast as their prey to catch their prey & some animals move quickly to escape predators -> animals that can move quickly will be able to escape a predator", " animals that can move quickly will be able to escape a predator & prarie dogs can run very quickly -> running very quickly...	1
[ "predators threaten the existance of other animals & threatening the existence of an animal has a negative impact on that animal -> predators have a negative impact on an animal's survival", " predators have a negative impact on an animal's survival & avoiding something with a negative impact has a positive impa...	1
[ "to blend into something means to be difficult to see in something & things that are the same coloration blend into each other -> coloration can make an something diffucult to see", " coloration can make an something diffucult to see & to hide means ability to be seen decreases -> coloration is a kind of adapta...	1
[ "sensing is performed by specialized body parts & radial symmetry means an animal has similar body parts dispersed in all directions around a central axis -> an animal with radial symmetry has specialized body parts for sensing dispersed in all directions around a central axis", " an animal with radial symmetry ...	1
[ "an animal can survive in an environment with little food by storing fat & cold environments usually have little food for animals -> an animal can survive in a cold environment by storing fat", " if a living thing becomes too cold then that living thing will die & an animal is a kind of living thing -> if an an...	1
[ "if a living thing becomes too cold then that living thing will die & an animal is a kind of living thing -> if an animal becomes too cold then that animal will die", " if an animal becomes too cold then that animal will die & keeping warm is the opposite of becoming cold -> an animal requires warmth for surviv...	1
[ "keeping warm is the opposite of becoming cold & if a living thing becomes too cold then that living thing will die -> animals require warmth for survival", " animals require warmth for survival & if the environmental temperature / air temperature is too cold then an animal / a living thing in that environment m...	1
[ "an animal is a kind of living thing & if a living thing becomes too cold then that living thing will die -> if an animal becomes too cold then that animal will die", " if an animal becomes too cold then that animal will die & keeping warm is the opposite of becoming cold -> an animal requires warmth for surviv...	1
[ "if a living thing becomes too cold then that living thing will die & keeping warm is the opposite of becoming cold -> an animal usually requires warmth for survival", " an animal usually requires warmth for survival & if the environmental temperature is too cold then an animal in that environment may become col...	1
[ "thick fur is a kind of fur & fur is a part of skin for keeping warm -> thick fur can be used for keeping warm", " an animal is a kind of living thing & if a living thing becomes too cold then that living thing will die -> if an animal becomes too cold then that animal will die", " if an animal becomes too co...	1
[ "a fox is a kind of animal & a fox grows thick fur as the seasons change -> a fox is a kind of animal that grows thick fur as the seasons change", " if the environmental temperature is too cold then an animal in that environment may become cold & an animal requires warmth for survival -> an animal requires warm...	1
[ "a covering can be used as a kind of protection against cold weather & fur is a covering around the body of an animal -> thick fur can be used for keeping warm", " an animal is a kind of living thing & if a living thing becomes too cold then that living thing will die -> if an animal becomes too cold then that ...	1
[ "fur is a covering around the body of an animal & a covering can be used as protection against cold weather -> thick fur can be used for keeping warm", " thick fur can be used for keeping warm & an animal requires warmth for survival in a cold environment -> thick fur can be used for survival in a cold environm...	1
[ "different birds have different shaped beaks & different birds eat different foods -> different birds have different shaped beaks and eat different foods", " a beak is used for catching food by some birds & eating food requires catching food -> a beak is used for eating food by some birds", " different birds ...	1
[ "frogs catch flying insects with their tongues & salamanders catch flying insects with their tongues -> frogs and salamanders catch flying insects with their tongues", " if something is stuck then it can be caught more easily & if somthing is sticky then other things will become stuck to it -> stickyness can be...	1
[ "in order to eat food an animal must find food & eating food is used to get nutrients / energy by animals -> animals must find food to get nutrients / energy", " animals must find food to get nutrients / energy & finding something requires sensing that something -> animals must sense food to find food", " an...	1
[ "a something becomes larger it is able to act upon more of something else & fins move animals through water by pushing against water -> the larger and animal's fin is, the more water it can push against", " the larger and animal's fin is, the more water it can push against & the more water an animal's fin pushes...	1
[ "animals require food for survival & hunting is a kind of method for obtaining food -> some animals must hunt to survive", " some animals must hunt to survive & hunting requires sensing prey -> some animals must sense prey to survive", " if a living thing must do something to survive, then doing that somethin...	1
[ "animals are a source of carbon dioxide by exhaling & mosquitos can sense carbon dioxide in the air -> mosquitos sense animals by sensing their carbon dioxide emissions", " an animal is a kind of living thing & a mosquito is a kind of animal -> a mosquito is a kind of living thing", " a mosquito is a kind of ...	1
[ "food can be a source of an odor & smell is used for detecting odor -> smell can be used to detect food odors", " sense is a kind of characteristic of an animal & smell is a kind of sense -> smell is a kind of characteristic of some animals", " smell can be used to detect food odors & smell is a kind of chara...	1
[ "echo is when sound reflects off of a surface & a sound must first be emitted before it can reflect off of a surface -> a sound must be emitted for an echo to occur", " echolocation is when some animals detect objects by hearing echoes by emitting sound & an echo must occur in order to be heard -> echolocation ...	1
[ "large canopies / trees block sunlight from reaching the ground & tropical rainforests contain many large trees -> sunlight is blocked by large canopies / trees in rainforests", " sunlight is blocked by large canopies / trees in rainforests & forest canopies blocking sunlight decreases the availability of sunlig...	1
[ "eating something has a negative impact on that something & animals eat cacti -> animals have a negative impact on cacti", " animals have a negative impact on cacti & if something has a negative impact on an organism then that organism must protect itself from that something -> a cactus must protect itself from...	1
[ "bark is a protective covering around the trunk of / branches of a tree & as the thickness of something increases , the resistance of that something to damage will increase -> thick bark protects a tree from damage", " fire causes burning & burning a living thing usually causes harm to that living thing -> fir...	1
[ "fragrance means smell & flowers often have a sweet smell to attract pollinators -> flowers use fragrance to attract pollinators", " flowers use fragrance to attract pollinators & increasing the amount of something used by an organism to perform a process increases that organism's ability to perform that process...	1
[ "starlings take nests from other birds & a nest is a kind of resource for a bird -> starlings take resources from other birds by taking nests from other birds", " starlings take resources from other birds by taking nests from other birds & if a starling takes a resource from another animal then that starling com...	1
[ "competition may cause animals to fight / to make threatening sounds / to act aggressively towards members of their own species & if two animals have the same food source then those two animals compete for food -> competition for food may cause animals to display threatening behavior towards each other", " compe...	1
[ "when an organism reproduces they pass their traits to their offspring & if an organism survives competition for resources then this organism will survive / reproduce for natural selection -> if an organism survives competition for resources then this organism will survive / reproduce for natural selection and pas...	1
[ "as the ability of a living thing to survive / to reproduce increases , the likelihood of passing on its traits to its decendents will increase & reproduction increases the number of a living thing -> if living things with one trait outnumber those living things with a different trait in a population then the livi...	1
[ "an animal requires a mate to fertilize an egg & coloration is used to find a mate by some animals -> coloration can can be used by an animal find a mate to fertilize an egg", " coloration can can be used by an animal find a mate to fertilize an egg & if something can be used for a process then that something ca...	1
[ "to do something forcibly can mean to do something rapidly & a disruption of an ecosystem can cause an extinction -> a forcible disruption of an ecosystem can cause a rapid extinction", " an asteroid is a kind of object & an impact can mean the result of two objects forcibly colliding -> an impact can mean the ...	1
[ "if a habitat can no longer support animals then those animals will move to another area0 & if an animal 's habitat no longer exists then that animal will die -> if an animal's habitat no longer exists then that habitat can not support that animal", " if an animal's habitat no longer exists then that habitat can...	1
[ "if an organism requires something to perform a process, then increasing that something increases that organism's ability to perform that process & an aquatic animal is a kind of organism -> if an aquatic animal requires something to perform a process, then increasing that something increases that aquatic animal's...	1
[ "harming an organism can cause that organism to die & fire causes harm to organisms -> fire can cause organisms to die", " fire can cause organisms to die & wildfire is when a forest catches fire -> a wildfire can cause organisms to die", " a wildfire can cause organisms to die & an animal is a kind of organi...	1
[ "drier means lower in amount of water & a dry environment is low in availability of water -> as dryness increases in an environment , the available water in that environment will decrease", " as dryness increases in an environment , the available water in that environment will decrease & living things require wa...	1
[ "if a body of water loses all water then that body of water does not exist any more & a pond is a kind of body of water -> if a pond loses all water then that pond does not exist any more", " if a pond loses all water then that pond does not exist any more & drought is when available water decreases in an enviro...	1
[ "organisms are biotic factors of an environment & natural resources can be abiotic factors of an environment -> resources are generally abiotic factors of an environment and organisms are biotic features of an environment", " resources are generally abiotic factors of an environment and organisms are biotic feat...	1
[ "alligators eat frogs / turtles / fish / mice / birds & frogs / turtles / fish / mice / birds are kinds of animals -> alligators eat animals", " alligators eat animals & a predator eats other animals for food -> alligators are a kind of predator", " alligators are a kind of predator & as the population of pre...	1
[ "rainfall is the amount of rain an area receives & rain is a source of water -> as the amount of rainfall increases in an area , the amount of available water in that area will increase", " as the amount of rainfall increases in an area , the amount of available water in that area will increase & as the availabl...	1
[ "an organism 's environment affects that organism 's acquired characteristics & inherited characteristics are the opposite of acquired characteristics -> an organism's environment does not affect that organism's inherited characteristics", " an organism's environment does not affect that organism's inherited cha...	1
[ "a lack of something that a living thing requires prevents the survival of that living thing & a plant is a kind of living thing -> a lack of something that a plant requires prevents the survival of that plant", " a lack of something that a plant requires prevents the survival of that plant & plants require wate...	1
[ "a drought occurs over a period of months / years & drought is when available water decreases in an environment -> drought is when available water decreases in an environment over a period of months / years", " drought is when available water decreases in an environment over a period of months / years & as avail...	1
[ "if an organism requires something then that something is a resource for that organism3 & climate is a property of environment -> an environment's climate is the usual kind of weather in that environment over a period of time", " precipitation is a property of weather & temperature is a property of weather -> t...	1
[ "a hole is a kind of opening0 & sunlight is a kind of light -> sunlight can not travel through an opaque object", " light can travel through an opening & sunlight is a kind of light -> sunlight can travel through an opening", " sunlight can travel through an opening & a hole is a kind of opening -> sunlight ...	1
[ "algae are often restricted to the top 100 meters of the ocean & if an organism is restricted to an area then that organism can only live in that area -> algae often can only live in the top 100 meters of the ocean", " algae often can only live in the top 100 meters of the ocean & sunlight can be found in the to...	1
[ "rain is a kind of precipitation & precipitation is a kind of weather -> rain is a kind of weather", " rain is a kind of weather & shelter can protect animals from weather -> shelter can protect animals from rain", " shelter can protect animals from rain & an animal needs to move to find shelter -> moving to...	1
[ "as temperature in the environment increases , the body temperature of a reptile in that environment will increase & as temperature during the day increases , the temperature in an environment will increase -> as the temperature during the day increases, the body temperature of a reptile in a given environment wil...	1
[ "sweat cools a body & sweat is used for adjusting to hot temperatures by some animals -> when the body is hot , sweat is used to cool the body", " when the body is hot , sweat is used to cool the body & panting is when an animal 's body is cooled by hanging out their tongue -> panting and sweating are used to c...	1
[ "a cat is startled by a loud noise & a cat is a kind of animal -> loud noises can cause animals to startle", " objects in an environment are a part of that environment & objects in an environment may produce loud noises -> an environment may produce loud noises", " loud noises can cause animals to startle & a...	1
[ "heart pumps blood to the rest of the body & blood is a vehicle for carrying oxygen from the lungs to the rest of the body -> the heart pumping blood transports oxygen to the rest of the body", " the heart pumping blood transports oxygen to the rest of the body & if something is transported to something else the...	1
[ "sweat is used for adjusting to hot temperatures by some animals & heat means temperature increases -> when the body is hot , sweat is produced to cool the body", " sweat is a kind of liquid & to sweat means to discharge sweat from the skin -> to sweat means to discharge liquid from the skin", " to sweat mean...	1
[ "a cell nucleus is a kind of organelle & the cell nucleus controls many of the functions of the cell -> the cell nucleus is a kind of organelle that controls many of the functions of the cell", " the cell nucleus is a kind of organelle that controls many of the functions of the cell & special molecules carry mes...	1
[ "cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy & living things require respiration to use energy -> living things must convert oxygen into carbon dioxide to use energy", " living things must convert oxygen into carbon dioxide to use energy & bre...	1
[ "a fish is a kind of aquatic animal & gills are used for breathing water by aquatic animals -> gills are a part of a fish used for breathing water", " water contains dissolved oxygen & water is a part of an environment -> water is a part of an environment that contains dissolved oxygen", " water is a part of ...	1
[ "a fish is a kind of aquatic animal & gills are used for breathing water by aquatic animals -> gills are a part of a fish used for breathing water", " gills are a part of a fish used for breathing water & breathing is when a gill converts from oxygen in water into oxygen in blood -> gills are a part of a fish u...	1
[ "a lung is a kind of organ for breathing air & in order to breath air you must take in air -> a lung is a kind of organ for taking in air", " a lung is a kind of organ for taking in air & the lungs are a part of the respiratory system -> the respiratory system takes in oxygen from the air", " converting oxyge...	1
[ "air is a kind of gas0 & something exchanging things with something else means that something taking one kind of thing from that something else and giving off another kind of thing to that something else -> an example of an animal exchanging things with something else is that animal inhaling one kind of thing from...	1
[ "the respiratory system takes in oxygen from the air & the respiratory system is a part of the body -> the respiratory system takes oxygen from the air into the body", " the respiratory system takes oxygen from the air into the body & air is a part of the environment -> the respiratory system takes oxygen from ...	1
[ "breathing is a process in animal respiration & animals require respiration to survive / use energy -> animals must breath to survive", " animals must breath to survive & breathing is when animals convert oxygen into carbon dioxide -> an animal requires oxygen for survival / to breathe", " an animal requires ...	1
[ "the respiratory system takes in oxygen from the air & the respiratory system transfers oxygen to the circulatory system -> the respiratory system transports oxygen from the air to the circulatory system", " blood is a vehicle for carrying oxygen from the lungs to the rest of the body & circulation the circulato...	1
[ "maintaining homeostasis requires respiration & the respiratory system performs respiration -> respiration performed by the respiratory system is required for maintaining homeostasis", " the lungs are a part of the respiratory system & the lungs are a part of the body of an animal used for breathing air -> the ...	1
[ "photosynthesis makes energy for the plant by converting carbon dioxide, water, and sunlight into carbohydrates & carbohydrates are used for storing energy -> photosynthesis stores energy", " living things require respiration to use energy & if something is required to use something else then that something is a...	1
[ "a lung is a kind of internal organ & internal organs are a part of the body -> lungs are a part of the body", " lungs are a part of the body & if something harms something else, then that something also harms the parts of that something else -> if something harms the body, then that something also harms the lu...	1
[ "blood is made up of blood cells & blood is a vehicle for carrying oxygen from the lungs to the rest of the body -> blood cells carry oxygen to the body", " red blood cells contain hemoglobin & red blood cells are a kind of blood cell -> red blood cells are a kind of blood cell that contain hemoglobin", " red...	1
[ "to transport can mean to carry & transporting is a kind of function -> carrying is a kind of function", " carrying is a kind of function & red blood cells carry oxygen -> the function of red blood cells is to carry oxygen", " " ]	1
[ "the circulatory system carries food from the digestive systems to the whole body & food contains nutrients for living things -> the circulatory system carries nutrients from the digestive systems to the whole body", " veins carry blood from the body to the heart & arteries carry blood from the heart to the body...	1
[ "blood is a part of the circulatory system & digestion is when food is absorbed into the blood stream -> food is absorbed into the circulatory system through the blood", " food is absorbed into the circulatory system through the blood & the circulatory system transports blood throughout the body -> the circulat...	1
[ "digestion is when food is absorbed into the blood stream & the digestive system digests food for the body -> the digestive system absorbs food into the blood stream", " the digestive system absorbs food into the blood stream & blood is a part of the circulatory system -> food is absorbed into the circulatory s...	1
[ "nutrients are a kind of simple substance & food contains nutrients for living things -> food contains simple substances in the form of nutrients", " food contains simple substances in the form of nutrients & the breaking down of food into simple substances occurs in the digestive system -> the digestive system...	1

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