Ecology Review

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food.

Front

What is an ecosystem?

Back

An ecosystem is all of the organisms living in an area together with their physical environment.

Front

What do energy pyramids show?

Back

Energy pyramids show how much energy is available in each trophic level.

Front

What level of organization includes both living organisms and their physical environment?

Back

Ecosystem.

Front

What is biodiversity?

Back

Biodiversity is the variety of life on Earth.

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis.

Front

What is a consumer?

Back

A consumer is an organism that obtains energy by consuming other organisms.

Front

What is a food chain?

Back

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

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how many energy transfers away from the original source of energy.