Based on the diagram, which fossil would be the oldest?
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Captionless Image
Coral
Gastropod
Trilobite
Trilobite
Natural selection is based on the idea that
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the largest animals will always survive.
some animals are better suited to survive in their environment than others.
smaller, faster animals will always survive.
some animals are better suited to survive in their environment than others.
Natural selection changes
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individuals quickly.
populations over time.
populations over time.
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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natural selection
mutation
extinction
natural selection
Adaptations are inherited traits that increase an organism's ability to survive and reproduce in its habitat.
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True
False