Biology Chapter 1

Scientists use observations and data to form and test

• constants

• hypotheses

• theories

• conclusions

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NGSS.HS-PS1-2

NGSS.HS-PS2-5

During an experiment, which factors are observed and measured?

• dependent variables

• independent variables

• constants

• hypotheses

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At which stage of scientific thinking are scientists most likely to consider the data and conclusions of others scientists to propose new experiments?

• observing

• testing hypotheses

• analyzing data

• forming hypotheses

Which phrase best describes scientific theories?

• explain few observations

• serves as speculation

• are never proven

• cannot be replaced

The various parts of Earth's biosphere are connected and

• similar

• nonliving

• diverse

• aquatic

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NGSS.MS-LS2-3

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The variety of life across the biosphere is called

• biodiversity

• genomics

• homeostasis

• ecology

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NGSS.MS-LS2-5

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Similar organisms that can reproduce by interbreeding belong to the same

• ecosystem

• environment

• habitat

• species

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NGSS.HS-LS4-2

All the chemical processes used to build up or break down materials are called an organism's

• metabolism

• homeostasis

• adaptations

• stimuli

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NGSS.HS-LS2-5

What is the name given for genetic changes in living things over time?

• adaptation

• homeostasis

• evolution

• negative feedback

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

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A physical environment with different species that interact with one another and with nonliving things is called a(n)

• biosphere

• ecosystem

• habitat

• adaptation

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NGSS.MS-LS2-3