Evolution, Adaptation, & Natural Selection LS 1-4

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What is evolution?

Back

Evolution is the process through which species change over time through variations and natural selection.

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What is adaptation?

Back

Adaptation is a trait that helps an organism survive and reproduce in its environment.

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What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

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What is variation in biology?

Back

Variation refers to the differences between individuals of the same species.

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What is a vestigial structure?

Back

A vestigial structure is a body part that has lost its original function through evolution, such as the wings of a penguin.

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What is competition in ecology?

Back

Competition is the struggle between organisms for the same resources in an environment.

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What is the significance of white fur in polar bears?

Back

White fur is an adaptation that helps polar bears blend into their snowy environment, providing camouflage from predators and prey.

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What are the four layers of rock in geological time?

Back

The layers of rock represent different periods in Earth's history, with the oldest layer at the bottom.

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What is camouflage?

Back

Camouflage is an adaptation that allows an organism to blend in with its environment to avoid detection.

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What is selective breeding?

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Selective breeding is the process of breeding plants and animals for specific traits.