ecology

Ecology is the study of:

• only living things in an environment.

• only the nonliving things in an environment.

• how living things interact with each other and the nonliving things in the environment.

• scientists who perform research on living things.

What term do ecologist use to describe where an animal lives (an animal's home)?

• ecosystem

• ecologist

• habitat

• population

What is a species?

• Different animals that compete for the same resources.

• A group of similar organisms that can reproduce with each other.

• A group of organisms that live together.

• A group of organisms that are physically and functionally very different from each other.

What is a living thing?

• An organism that can grow and reproduce.

• Any substance that is made by an organism.

• Something that an organism depends on in order to survive.

• All of the above

Which of the following is an example of a living thing?

• A bacerium

• A shell

• water

• sweat

Which of the following is NOT a nonliving thing?

• Sun

• rocks

• milk

• wood

Which of the following is an example of a biotic factor?

• parasitism

• plants

• disease

• all of the above

Which of the following is a abiotic factor?

• plants

• cats

• Sun

• ants

The source of all energy on Earth originates from:

• within Earth.

• the Sun.

• fossil fuels.

• plants.

The Sun is important to:

• warming the Earth.

• photosynthesis in plants.

• observing the natural world.

• all of the above