INTERACTIONS IN THE ENVIRONMENT

A biological community of interacting organisms and their physical environment.

• Ecosystem

• Population

• Environment

• Community

An individual living thing

• Producer

• Consumer

• Organ

• Organism

The surroundings or conditions in which a person, animal, or plant lives or operates.

• Ecosystem

• Population

• Environment

• Community

An organism that can make its own food.

• Producer

• Consumer

• Organ

• Organism

An organism that obtains energy by feeding on other 

organisms

• Producer

• Consumer

• Organ

• Organism

An organism that breaks down wastes and dead organisms

• Producer

• Consumer

• Decomposer

• Organism

A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

• Food chain

• Food web

• Pyramid of numbers

• Pyramid of biomass

A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

• Food chain

• Food web

• Pyramid of numbers

• Pyramid of biomass

A community of organisms where there are several interrelated food chains

• Food chain

• Food web

• Pyramid of numbers

• Pyramid of biomass

A series of predictable and orderly changes within an ecosystem over time.

• Evolution

• Adaptation

• Succession

• Natural selection