CW-Characteristics of Living Things Article/Questions

Read the following statements.

1. Biologists must determine whether a virus is alive or dead.

2. Biologists have a set of rules for defining living things.

3. Living things are able to grow and respond to the environment.

4. Living things may sometimes experience genetic mutations.

Which two statements are main ideas from the article?

• 1 and 2

• 2 and 3

• 3 and 4

• 1 and 4

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Read the paragraph from the section "The Characteristics Of Life."

Finally, life can adapt. It can change in reaction to the demands placed on it by the environment.

What is the meaning of the word "demands" as it is used in the paragraph above?

• challenges

• questions

• statements

• markets

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Read the following statement from the passage. "Organisms have an enormously complex organization. " What does this mean?

• Organisms are only made of one type cell.

• Organisms are made of simple types of parts.

• Organisms are made of different types of levels that range from very small cells to large organ systems.

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How do living things get their energy?

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A change in an environment can lead an organism to change forever. What is this called?

• metabolic processes

• responding to stimuli

• biology

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