Biology Semester Exam Practice Questions 2020

Biology is the study of

• minerals

• the living world

• the weather

• energy

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NGSS.MS-LS1-5

NGSS.MS-LS4-1

Homeostasis means

• a change over long periods of time

• keeping things the same

• rapid change

• the same thing as evolution

The work of scientists begins with

• testing a hypothesis

• careful observations

• creating experiments

• drawing conclusions

Hypotheses may arise from

• prior knowledge

• logical inferences

• imaginative guesses

• all of these

A controlled experiment allows the scientist to isolate and test

• a conclusion

• a mass of information

• several variables

• a single variable

Scientists publish the details of important experiments so that

• their work can be repeated

• their experimental procedures can be reviewed

• others can try to reproduce their results

• all of these are important

A well-tested explanation that unifies a broad range of observations is a(n)

• hypothesis

• theory

• inference

• controlled experiment

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NGSS.HS-ESS1-2

All of the following are characteristics of all living things EXCEPT

• growth

• reproduction

• movement

• use energy

What is the term for a group of organisms of one type living in the same place

• biosphere

• ecosystem

• population

• environment

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NGSS.MS-LS4-4

In the metric system, the basic unit of length is the

• centimeter

• kilometer

• milimeter

• meter