Bio. 1: Ch. 1: Intro to Biology

The term biosphere refers to the parts of Earth that contain

• freshwater environments

• living things

• land masses

• greater biodiversity

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Which phrase best describes Earth's biodiversity?

• greater in consistently warm areas

• greater toward Earth's poles

• greater according to energy needs

• greater where temperatures are most variable

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An individual living thing is called a(n)

• species

• cell

• atom

• organism

Which of these characteristics is shared by all living things?

• made up of one or more cells

• make their own chemical energy

• similar responses to light

• reproduce when one cell divides into two

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The basic unit of life is...

• the cell

• an atom

• DNA

• a species

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At all levels of life, when related parts interact to form a whole they form a

• biosphere

• species

• cell

• system

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

• homeostasis

• negative feedback

• structure specialization

• adaptation

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Which aspects of life on Earth are accounted for by evolution?

• diversity and unity

• interaction and conflict

• lack of genetic and physical change

• divergence of structure and function

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A beneficial inherited trait is passed on to future generations is a(n)

• stimulus

• adaptation

• system

• homeostatic mechanism

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At which stage of scientific inquiry would scientists find out if their hypotheses were supported by their data?

• observing

• testing hypotheses

• analyzing data

• evaluating results

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