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Chapter 11A Living Things and the Environment
Vocabulary
11
Science
7th Grade
05/29/2014

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Term
environment
Definition

Everything that surrounds an organism

and acts upon it.

Term
ecology
Definition
Study of the relationship between living things and their environments.
Term
interact
Definition
Process of organisms acting upon one another or on the nonliving parts of their environment.
Term
population
Definition
Groups of the same kind of organisms living in a certain place.
Term
community
Definition
All the populations that live in a certain place and can interact with one another.
Term
ecosystem
Definition
Groups of communities interacting with each other and the nonliving parts of their environment.
Term
habitat
Definition
Place where an organism lives.
Term
niche
Definition
Organism's role, or job, in its habitat.
Term
limiting factors
Definition
Condition in the environment that puts limits on the size a population can grow to.
Term
carrying capacity
Definition
The largest population size that can be supported by the available resources of an area.
Term
range
Definition
An area where a type of animal or plant population is found.
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