1.2 Biology: The Study of Life

A cell is the basic unit of the structure and function of all living things

• True

• False

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A population consists of many different species.

• True

• False

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The cells of many different organisms are very similar.

• False

• True

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Simple life forms, like bacteria, have simple chemistry.

• False

• True

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The cell theory states that

• all living things are made up of cells.

• living cells may come from other living cells

• all living things remain single-celled.

• all of these

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Levels of organization of an individual organism includes

• the tissue.

• the population.

• the community.

• all of the above

Which is the best definition of "biology"?

• The science of living organisms.

• The study of humans and animals.

• The study of plants, humans, and animals.

• The science of life.

Homeostasis is

• the ability to give rise to offspring.

• maintaining a stable internal environment.

• the ability to detect and respond to changes in their environment.

• the ability to grow and develop.

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An example of a symbiotic relationship in which one organism is harmed is

• the relationship between a flock of starlings and a red deer stag.

• the relationship between a lion and an antelope.

• the relationship between hummingbirds and flowers.

• the relationship between humans and their pet dogs.

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The mole's touch organ is an adaptation because it helps the mole survive in its dark.

• True

• False

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