Chapter 1 Review

Which is an inference?

• You measure a plant's height every day for a week.

• You give a plant the same amount of water everyday.

• Every day for a week, you collect data on a plant's growth

• After watching a plant for a week, you determine it needs more sunlight.

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Which one of these statements is a quantitative observation?

• The puppies are in the back yard.

• The puppies are eating.

• The puppies have tan fur.

• There are 8 puppies.

Which of the following is an example of a stimulus and the accompanying response?

• A wildebeest crosses a river during migration.

• A python strikes at a rat and the rat runs away.

• A hawk grabs a branch to gain a perch.

• An earthworm burrows into new, rich soil.

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Why do biologists repeat the same investigation several times?

• obtain consistent data

• get the correct results

• form a theory

• prove their hypothesis

Which activity is an example of the human body striving to maintain homeostasis?

• creating thoughts to solve a difficult problem

• digesting food to reduce particle size

• sprinting across the street to avoid traffic

• producing sweat to reduce body temperature

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Which procedure is a scientific method?

• collecting data

• formulating a hypothesis

• observing

• All are scientific methods

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Which is an example of an adaptation?

• New foods found by a squirrel

• White hair of adult polar bears

• Bald spots on an old cougar

• Viruses passed to humans

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Which describes the purpose of science?

• to explain the nature of things

• to propose solutions to political issues

• to debate the meaning of life

• to solve the ethical problems of society

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abbreviation for the International System of Units

• ISU
• SI
• ISOU
• IU

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

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