sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
nutrients are a source of energy for living things | 1 |
a human is a kind of organism | 1 |
a human is a kind of living thing | 1 |
food contains nutrients | 1 |
a living thing requires energy to grow and heal | 1 |
food contains nutrients for living things | 1 |
living things eat their food source | 1 |
nutrients are a source of energy for living things | 1 |
an animal is a kind of living thing | 1 |
food contains nutrients for living things | 1 |
nutrients are a source of energy for living things | 1 |
as the amount of available water decreases , tree-growth rings will become narrower | 1 |
if something causes something else then the result of that something else indicate the properties of that something | 1 |
width is a property of size / shape and includes ordered values of narrow / wide | 1 |
dry environments result in narrow tree-growth rings | 1 |
a tree growing a tree-growth ring occurs once per year | 1 |
living things require water for survival | 1 |
a dry environment is low in availability of water | 1 |
water is a kind of natural resource | 1 |
when available resources decrease in an environment , organisms have to conserve those resources | 1 |
a desert environment is a dry environment | 1 |
spring has warm temperatures / weather | 1 |
an animal being born when temperatures are warm has a positive impact on that animal 's survival | 1 |
spring increases the amount of available food in an environment | 1 |
an animal being born when food is available has a positive impact on that animal 's survival | 1 |
convergent evolution is when two species in different taxonomic families develop in different places under similar environmental pressures | 1 |
if two things are thousands of miles apart then those two things are separate from each other | 1 |
the opposite of the same is different | 1 |
two birds are not in the same taxonomic family | 1 |
a bird is a kind of organism | 1 |
two birds live in environments with similar characteristics | 1 |
two birds developed thousands of miles apart | 1 |
a species is a group of a certain kind of organism | 1 |
environments with similar characteristics place similar environmental pressures on the organisms in them | 1 |
seasons cause change to the environment | 1 |
usually plants die or become dormant during the winter | 1 |
eating food is used to get nutrients by animals | 1 |
if an animal relies on plants for food then that animal must store enough food to last through the winter | 1 |
plants are a source of food for animals | 1 |
an animal requires enough nutrients to survive | 1 |
a squirrel is a kind of animal | 1 |
nut is a kind of food | 1 |
winter is a kind of season | 1 |
an example of preparing is storing something for use later | 1 |
some animals have offspring by laying eggs | 1 |
as number of organisms in a group increases , the chance of survival of each organism will increase | 1 |
offspring are a kind of group of organisms | 1 |
howling is a kind of sound | 1 |
sound can be used for communication by animals | 1 |
animals usually keep away from danger or problems | 1 |
warning can be used to indicate danger or problems | 1 |
a wolf is a kind of animal | 1 |
a warning is used to warn animals | 1 |
warning is a kind of communication | 1 |
establishing a territory requires keeping other animals away | 1 |
an animal requires warmth for survival | 1 |
birds fly south for the winter | 1 |
migration is when animals move themselves from a cooler climate to a warmer climate for the winter | 1 |
winter means environmental temperature decreases | 1 |
winter has cold temperatures | 1 |
temperature is a property of the environment | 1 |
birds fly south for the winter | 1 |
an animal requires warmth for survival | 1 |
migration is when animals move themselves from a cooler climate to a warmer climate for the winter | 1 |
climate means the average temperature / weather in an area | 1 |
migration is when animals move themselves from a cooler climate to a warmer climate for the winter | 1 |
an animal requires warmth for survival | 1 |
some birds fly south for the winter | 1 |
winter has cold temperatures / weather | 1 |
migration is a kind of adaptation | 1 |
an instinctive behavior is a kind of behavioral adaptation | 1 |
migrating is an instinctive behavior | 1 |
winter has cold temperatures | 1 |
cold environments usually have little food for animals | 1 |
temperature is a property of the environment | 1 |
animals require food to survive | 1 |
a warm environment usually has more food than a cold environment | 1 |
an instinctive behavior is a kind of behavioral adaptation | 1 |
migrating is an instinctive behavior | 1 |
young animals are born as a result of reproduction | 1 |
a bird is a kind of animal | 1 |
nest building is a kind of adaptation | 1 |
adaptation has a positive impact on the survival of a species | 1 |
many birds reproduce during spring | 1 |
a nest is a kind of resource for a bird | 1 |
birds build nests in the spring | 1 |
a nest is used for protecting young by birds | 1 |
behavioral adaptation has a positive impact on the population / the survival / the reproduction of a species / of individual organisms | 1 |
a behavior is a kind of characteristic | 1 |
something that animals require has a positive impact on that animal's survival | 1 |
an instinctive behavior is a kind of behavioral adaptation | 1 |
an instinctive behavior is a kind of inherited characteristic | 1 |
ash from a volcano is warm in temperature | 1 |
animals require warmth for survival | 1 |
an example of an inherited behavior is a bird building a nest | 1 |
a volcano changes the environment around it by covering the environment in ash | 1 |
an animal needs to attract a mate to reproduce | 1 |
coloration can be used for communication by animals | 1 |
in order to attract a mate, an animal must let other animal know that it is a potential mate | 1 |
an adaptation has a positive impact on an animal 's ability to reproduce | 1 |
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