The Value of Biodiversity

1. Choose two answers:

Biodiversity is the ______ and _______ of different species in an area.

• diversity

• number

• variety

• life

2. Biodiversity determines the health of an ecosystem.

• True

• False

3. Healthy ecosystems may provide resources and materials that organisms need.

• True

• False

4. (a)   is related to the production, distribution, and consumption of goods and services that humans take from ecosystems.

5. Resources that are consumed from an ecosystem provide a (a)   .

6. Some resources in an ecosystem that are used, but not consumed provide an _____value.

• direct

• indirect

• priceless

• definite

7. Each species within an ecosystem has the ecological values that promote and enhance the ____of that ecosystem.

• health

• balance

• biodiversity

• population

8. Is a species that influences the survival of many other species in an ecosystem.

• Consumer

• Keystone species

• Apex predator

• Producer

9. Changes to physical and biological factors of an ecosystem affect all of the _______ within an ecosystem.

• populations

• consumers

• producers

• communities