The earliest nervous system fossils are from a little over half a billion years ago, yet the earliest fossilized life is known from 3.5 billion years ago. Do you think behavior could have emerged before the origin of a nervous system? Give examples to support your answer.

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The Answer of The earliest nervous system fossils are from a little over half a billion years ago, yet the earliest fossilized life is known from 3.5 billion years ago. Do you think behavior could have emerged before the origin of a nervous system? Give examples to support your answer.

The Earliest Nervous System Fossils Are from a Little Over