Unit 8: Ecology Review

High biodiversity ensures that many different ecological niches (jobs, roles) are filled, which helps the ecosystem function well.

• True

• False

High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.

• True

• False

A stable ecosystem typically has high biodiversity.

• True

• False

High biodiversity is a sign of a healthy ecosystem.

• True

• False

What does the root "bio" mean...

• living

• nonliving

• toxic

• variety

What does the root "diversity" mean...

• living

• nonliving

• toxic

• variety

Which ecosystem is more likely to survive a change in the environment?

• One with High biodiversity

• One with Low biodiversity

What is a group of organisms of ONE species that live in an area at the same time?

• community

• population

• ecosystem

All of the populations living in an area is called a __________.

• community

• population

• ecosystem

Does the picture represent a population or community?

• population

• community