Question

Based on the diagram, which fossil would be the oldest?
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1 point
Captionless Image
Coral
Gastropod
Trilobite

Answer 1

Natural selection is based on the idea that
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1 point
the largest animals will always survive.
some animals are better suited to survive in their environment than others.
smaller, faster animals will always survive.

Answer 2

Natural selection changes
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1 point
individuals quickly.
populations over time.

Answer 3

In an aquatic bird population, some birds have long legs. Other birds have short legs. The food supply is minimal. The birds with long legs are able to wade farther into the water where they can find fish. Over time, the birds with long legs become more common.

What scientific term best describes this scenario?
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1 point
natural selection
mutation
extinction

Answer 4

Adaptations are inherited traits that increase an organism's ability to survive and reproduce in its habitat.
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1 point
True
False

Answer 5

Trilobite

Answer 6

some animals are better suited to survive in their environment than others.

Answer 7

populations over time.

Answer 8

natural selection

Answer 9

True