The timing of evolutionary transitions suggests intelligent life is rare
It is unknown how abundant extraterrestrial life is, or whether such life might be complex or intelligent. On Earth, the emergence of complex intelligent life required a preceding series of evolutionary transitions such as abiogenesis, eukaryogenesis, and the evolution of sexual reproduction, multic...
| Main Authors: | , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
Mary Ann Liebert
2020
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