1) organisms need nutrients in order to

a. utilize hydrogen and oxygen.

b. carry out essential life functions.

c. recycle chemical compounds.

d. carry out nitrogen fixation 2) imported plants and animals in hawaii have

a. caused native species to die out.

b. increased the native bird species.

c. improved soil fertility.

d. increased crop yields.

3)the land and water ecosystems that provide the resources that a person uses and that neutralize that person’s wastes is part of that person’s

a. biodiversity.

b. ecological footprint.

c. habitat.

d. ecological sustainability.