Ecology and Ecosystems Quiz

What is ecology?

• The study of relationships among organisms and their environment.

• The study of the interactions among living things.

• The study of the climate and soil.

• The study of nonliving things.

Ecosystems include biotic and abiotic factors.

• False

• True

What is a community?

• A group of different species that live together.

• A group of the same species that lives in one area.

• An individual living thing.

• An ecosystem including all organisms.

What is an ecosystem?

• A group of different species that live together.

• A group of the same species that lives in one area.

• All of the organisms as well as the climate, soil, water, rocks and other nonliving things in a given area.

• An individual living thing.

What is a biome?

• A major regional or global community of organisms characterized by the climate conditions and plant communities that thrive there.

• A group of different species that live together.

• An individual living thing.

• A group of the same species that lives in one area.

What are biotic factors?

• Living things.

• Nonliving things.

• Climate conditions.

• Soil and water.

What are abiotic factors?

• Living things.

• Nonliving things.

• Climate conditions.

• Soil and water.

What is biodiversity?

• The assortment, or variety, of living things in an ecosystem.

• The number of species in a community.

• The total mass of organisms in an area.

• The interactions among living things.

Succession occurs when...

• One generation of organisms replaces the previous one

• A previous existing community is replaced

• After a new food web is established

What is a keystone species?

• A species that has an unusually large effect on its ecosystem.

• A species that is endangered.

• A species that is abundant.

• A species that is invasive.