Question

Which animal evolved and why

Answer 1

Answer:

Creatures recognizable as coelacanths go back to about 400 million years ago, and these fleshy-finned fish were the evolutionary cousins of lungfish and our own archaic forerunners—the very first vertebrates to walk on land were specialized lobe-finned fish related to the recently discovered Tiktaalik.

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Answer 2

Answer:

Biologists believe that new species evolve from existing species by a process called natural selection. Organisms that inherit that favorable new gene are likely to become more abundant than others of the species. Sometimes the population of a species becomes separated into two areas, by geography or by climate.