Ecology Review

Front

What is commensalism?

Back

A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

Where does the energy in a food chain originate?

Back

The energy in a food chain starts from the Sun.

Front

Why might an organism have multiple arrows coming from it in a food web?

Back

More than one organism may eat them.

Front

What is a population in ecological terms?

Back

A group of individuals of the same species that live in the same area.

Front

What is an organism's niche?

Back

The ecological role an organism performs in its specific environment.

Front

What is the difference between a habitat and a niche?

Back

A habitat is the environment where an organism lives, while a niche is the role it plays in that environment.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit.

Front

What is parasitism?

Back

A relationship where one organism benefits at the expense of another.

Front

Define ecosystem.

Back

A community of living organisms and their interactions with their environment.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.