Ecosystems
Relationships
Adaptation & Survival
100
Includes all living and nonliving things in an environment

Ecosystem

100

Any resource that restricts the growth of populations.

Limiting factor

100

Any characteristic that helps an organism survive in its environment. 

Adaptation

200
Includes all members of a single species

Population

200
The physical place where an organism lives and hunts for food.

Habitat

200

Any coloring, shape, or pattern that allows an organism to blend in with its environment.

Camouflage

300

Includes all the living things in an ecosystem

Community
300

The special role that an organism plays in a community.

Niche

300

An adjustment in an organism's behavior.

Behavioral adaptation

400

The path that energy and nutrients follow in an ecosystem. 

Food chain

400

A symbiotic relationship that benefits both organisms.

Mutualism

400
A type of camouflage in which the color of an animal helps it blend in with its background

Protective coloration

500

A living thing that hunts and kills other living things for food

Predator
500

A relationship where one organism benefits and the other is harmed. 

Parasitism

500

Matching the color, shape, and texture of an environment. 

Protective resemblance 

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