Front

What is evidence of a common ancestor?

Back

Vestigial structures, fossil record, and similarities in the embryo are all evidence of a common ancestor.

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Front

Which of the following is NOT an example of evolution?

Back

A frog begins its life as a tadpole, but becomes an amphibian.

Front

What does 'fittest' mean in 'Survival of the fittest'?

Back

The organism that survives in their environment to produce more offspring is the fittest.

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Front

What is one of Charles Darwin’s theories about evolution?

Back

New species that appear in the fossil record are actually descendants of older species.

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What is biological fitness?

Back

Biological fitness is defined as the ability of an organism to survive and reproduce.

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Front

What are vestigial structures?

Back

Vestigial structures are body parts that have lost their original function through evolution.

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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.

Front

What is the significance of the fossil record in evolution?

Back

The fossil record provides evidence of the history of life and shows how species have changed over time.

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What is adaptation in the context of evolution?

Back

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

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What is the role of mutations in evolution?

Back

Mutations are changes in DNA that can lead to new traits, which may be beneficial for survival.

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