Interactions in Ecosystems

Carnivores eat herbivores, omnivores, and other carnivores.

• True
• False

Nitrogen, as it is found in the air, can be used by plants and animals.

• True
• False

Producers use photosynthesis to produce food energy.

• True
• False

If suddenly there were more rabbits in an area, this would not have an effect on the other species in the area.

• True
• False

Air is composed mostly of carbon dioxide.

• True
• False

Environmental factors in an ecosystem include nonliving, or abiotic, factors.

• True
• False

Renewable resources are replenished as quickly as they are used.

• True
• False

People are developing renewable resources in an attempt to not deplete resources

• True
• False

A community is all the organisms of the same species that live in the same area at the same time.

• True
• False

What causes smog formation or acid rain?

• burning fossil fuels
• using CFCs in refrigerators
• applying chemical fertilizers to farmland
• both a and c