Is There a Convergent Evolution?

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For evolution to happen on some othertoto, have evolution happen on some other planet, you need self replicating molecules. They need not necessarily be tha, ou know, the double helix like ours. But this does bring up the question of a convergent evolution. On one hand, snake was never held back by the absence of arms and legs. If you're in if you mostly live in the air, you have to have something like wings or a float bladder or something. And then you have all your sensory equipment. That's a little more complex than than minerals. Although, as helike, one, to get to a self replicating molecule like d and a,

In this thought-provoking conversation on life, the universe, and everything, Neil deGrasse Tyson tackles the world’s most important philosophical questions about the universe with wit, wisdom, and cutting-edge science. For science geeks, space and physics nerds, and all who want to understand their place in the universe, this enlightening new book offers a unique take on the mysteries and curiosities of the cosmos, building on rich material from his beloved StarTalk podcast, along with dozens of his most popular tweets on science. Shermer and Tyson discuss: the universe, multiverse, big bang, big rip, dark matter, dark energy, gravity, gravitational waves, origins of morality, hard problem of consciousness, consensus science, the unknown, Fermi’s paradox, extraterrestrials, and artificial intelligence.