Chapter 6 The Environment and Change Over Time

Which of the following do some scientists believe shows evidence for evolution in a living species?

• homologous structures

• analogous structures

• vestigial structures

• all of the above

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NGSS.MS-LS4-2

Which animal would you expect a dog's genes and proteins to be the most like?

• wolf

• bear

• alligator

• lion

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NGSS.MS-LS4-2

Scientists can tell whether organisms are closely related by comparing their________.

• hair color

• teeth

• DNA

• scientific names

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NGSS.MS-LS4-2

These are analogous structures because they look different but are similar in origin.

• True

• False

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NGSS.MS-LS4-2

These are homologous structures because they are from different origins, but look and act alike.

• True

• False

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NGSS.MS-LS4-2

What is suggested by the figure?

• Horses appeared no more than a million years ago and had no ancestors before that time.

• There were no animals that would be considered to be related to horses 50-55 million years ago.

• The modern horse is related to other extinct species.

• The hyracotherium is the same species as the modern horse.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

_______ are remains of life from an earlier time.

• sedimentary rocks

• fossils

• variations

• limestones

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following is NOT a fossil?

• outline of a fern found in a rock

• petrified wood in the desert

• baby mammoth found in a glacier

• old stone tools found in a cave

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NGSS.MS-LS4-1

Change in the hereditary features of a type of organism over time is ________.

• growth

• biogenesis

• spontaneous generation

• evolution

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Footprints formed in mud that later turned to rock are called ______ fossils.

• Trace

• Cast

• Mold

• Imprint

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NGSS.MS-LS4-1