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Life Science set 2
taks life science words
17
Science
5th Grade
10/23/2008

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Term
species
Definition
A group of organisms that produce offspring like themselves.
Term
population
Definition
All the organisms of the same species that live in the same area at the same time.
Term
adaptation
Definition
A change an organism undergoes in order to survive.
Term
behavior
Definition
The way an organism acts or behaves.
Term
instinctive behavior
Definition
Behaviors that are inherited. Ex. a bear hibernating.
Term
niche
Definition
An organism's role in an ecosystem based on how it gets its food.
Term
metamorphosis
Definition
A change that a living organism goes through during its life cycle.
Term
herbivore
Definition
Animals that eat only plants.
Term
omnivore
Definition
Animals that eat both plants and animals.
Term
photosynthesis
Definition
The process in which plants use energy from the sun to make their own food.
Term
oxygen
Definition
A gas in the atmosphere that humans need to breathe and plants produce.
Term
minerals
Definition
A naturally occurring substance obtained usually from the ground.Ex. water.
Term
predator
Definition
Animals that hunt other animals for food.
Term
pollination
Definition
The process where insects or the wind fertilizes a plant.
Term
food (energy) chain
Definition
The path of energy from the sun to a plant to an animal to another animal.
Term
mammals
Definition
Warm blooded animals that feed their young milk and are covered with fur.
Term
environment
Definition
The whole complex of factors that affect whether an organism can survive in its surroundings.
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