Ecology Self-Review 1

An individual living thing is called

• an organism

• a population

• a community

• an ecosystem

Which of these is NOT a characteristic that living things have in common?

• All living things are made of cells

• All living things can grow

• All living things eat other organisms to get energy

• All living things can reproduce

What is a population?

• an individual life form

• all the living and nonliving things in an area interacting with each other

• all the living organisms of the same species in an area

• all the different populations in an area

What is an ecosystem?

• an individual life form

• all the living and nonliving things in an area interacting with each other

• all the living organisms of the same species in an area

• all the different populations in an area

What are biotic factors?

• Living parts of the environment

• Nonliving parts of the environment

• Living or nonliving parts of the environment

• None of the above

What are abiotic factors?

• Living parts of the environment

• Nonliving parts of the environment

• Living or nonliving parts of the environment

• None of the above

Which of these lists contains only biotic factors?

• Rocks, grass, dirt, water

• Water, air, rocks, dirt

• Birds, trees, air, water

• Grass, trees, squirrels, ants

Which of these lists contains only abiotic factors?

• Rocks, grass, dirt, water

• Water, air, rocks, dirt

• Birds, trees, air, water

• Grass, trees, squirrels, ants

Which organisms in this food web are producers?

• deer and rabbits

• trees and grass

• hawks and mountains lions

• snakes and frogs

Which organisms in this picture are consumers?

• flowering plant and frog

• frog and heron

• flowering plant and aquatic plant

• heron and acquatic plant