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Species Evolution

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Evolution is the process by which life has changed over time. This includes changes within species and the formation of new species. Evolution is based on a variety of evidence, including the fossil record, comparative anatomy, embryology, and molecular analysis.

Which of the following statements about evolution is supported by evidence?

A

All modern species have arisen from previous forms and continue to evolve.

B

Almost all modern species evolved from other modern species.

C

The original prokaryotic species that arose over 3 billion years ago are still existing today.

D

The total number of species on Earth is always increasing.