Major subdivision of all organisms.

Divides all life into six major categories.

Study of organisms interacting with one another and the enviroment.

Communities of living species and their physical environments.

Inherited characteristics within populations change over generations.

Organisms that have certain favorable traits are better able to survive and reproduce than organisms that lack these traits.

Traits that improve an individual's ability to survive and reproduce.

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Bio Vocabulary Ch.2

Term	Definition
Domain	Major subdivision of all organisms.
Kingdom	Divides all life into six major categories.
Ecology	Study of organisms interacting with one another and the enviroment.
Ecosystem	Communities of living species and their physical environments.
Evolution	Inherited characteristics within populations change over generations.
Natural Selection	Organisms that have certain favorable traits are better able to survive and reproduce than organisms that lack these traits.
Adaptation	Traits that improve an individual's ability to survive and reproduce.