Study of Life

1. The term biosphere refers to the parts of Earth that contain

• a. freshwater environments.

• b. living things.

• c. land masses.

• d. greater biodiversity.

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5. The basic unit of life is

• a. the cell.

• b. an atom.

• c. DNA.

• d. a species

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4. Which of these characteristics is shared by all living things?

• a. They are made up of one or more cells.

• b. They make their own chemical energy.

• c. They have similar responses to light.

• d. They reproduce when one cell divides into two.

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3. An individual living thing is called a(n)

• a. species.

• b. cell.

• c. atom.

• d. organism.

8. The maintenance of constant internal conditions in an organism is known as

• a. homeostasis.

• b. negative feedback.

• c. structure specialization.

• d. adaptation.

Which of the following is NOT a characteristic of living organisms?

• Reproduces

• Requires energy

• consumes carbohydrates

• maintains homeostasis

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Which is a testable explanation?

• Dependent Variable

• Independent Variable

• Hypothesis

• Observation

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The study of life

• Biology

• Zoology

• Archaeology

• Ecology

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A worm turning away from light is an example of it

• Reproducing

• Having cells

• Doing cellular respiration

• Responding to it's environment

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List the levels of organization in order from smallest to most complex

• tissues, organ systems, organism, cells, organ

• cells, organ systems, tissues, organ, organism

• cells, tissues, organ, organ systems, organism

• organism, cells, tissues, organ systems, organ

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