Quote:
Originally Posted by Merkaba
Turtles. And some Snakes. Can do both, breathe in and out of water.
A single fish would die yes. But if that fish had slowly been experiencing oxygen more and more in it's life time, then gave birth, the offspring carrying similar exploratory traits would carry on the process. No one fish can change a species but a generation of fish can slowly develop. Obviously never in our short lives will we see any form of evolution from anything, but the process does happen.
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thank you for a sensible post