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Biology, 24.04.2020 00:55 321596

Suppose you traveled back in time and located the first animals to have evolved feathers. You found that these animals were tree- dwelling ectotherms, able to run quickly but unable to fly. You also noticed that only males had feathers. Which hypothesis of feather evolution would these data most support? Feathers initially evolved in a role associated with.

a. flight
b. insulation
c. courtship behavior
d. gliding

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