Evolution and Natural Selection Flashcard

Front

What is the primary mechanism of evolution according to Darwin?

Back

Natural Selection.

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What does biodiversity refer to?

Back

The variety of life in a particular habitat or ecosystem.

Front

What can cause extinction?

Back

All of the above: Natural disasters, Human activities, Changes in climate.

Front

Which of the following is NOT a kingdom in the Linnaean system of classification?

Back

Archaea.

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What is speciation?

Back

The process by which new species are created.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

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What is genetic drift?

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.

Front

What is the role of mutations in evolution?

Back

Mutations are changes in DNA that can lead to new traits, which may be beneficial, neutral, or harmful.

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What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is the significance of fossils in understanding evolution?

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Fossils provide evidence of past life forms and show how species have changed over time.