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Multiple lines of mammals have independently evolved back into being marine life. Whales, seals and manatees do not have a common ancestor, for example.
by WalterBright 1y ago
Multiple lines of mammals have independently evolved back into being marine life. Whales, seals and manatees do not have a common ancestor, for example.
- mouse_8b 1y agoThey do have a common ancestor, it's just not a marine mammal.
- WalterBright 1y ago> not a marine mammal which is the point. They were not evolved from the same species of land animal.