Ecosystem
Any resource that restricts the growth of populations.
Limiting factor
Any characteristic that helps an organism survive in its environment.
Adaptation
Population
Habitat
Any coloring, shape, or pattern that allows an organism to blend in with its environment.
Camouflage
Includes all the living things in an ecosystem
The special role that an organism plays in a community.
Niche
An adjustment in an organism's behavior.
Behavioral adaptation
The path that energy and nutrients follow in an ecosystem.
Food chain
A symbiotic relationship that benefits both organisms.
Mutualism
Protective coloration
A living thing that hunts and kills other living things for food
A relationship where one organism benefits and the other is harmed.
Parasitism
Matching the color, shape, and texture of an environment.
Protective resemblance