Front

What is the role that an organism has in an ecosystem?

Back

Niche

Front

Where does all the energy in a food chain start?

Back

The sun

Front

What can cause changes in ecosystems?

Back

Both the overpopulation of grazers and the building of highways

Front

What is a tangle of food chains in a habitat called?

Back

A food web

Front

How do organisms survive in their ecosystem?

Back

By interacting with both the living and nonliving components

Front

What is a habitat?

Back

The natural environment where an organism lives.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

What are decomposers?

Back

Organisms that break down dead material and recycle nutrients back into the ecosystem.

Front

What is a population?

Back

A group of individuals of the same species living in a specific area.

Front

What is a community in an ecosystem?

Back

All the different populations of organisms that live together in a specific area.