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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 ________.
Harsh
Characterized by sternness or severity, particularly in behavior, conditions, climate, sound, or texture.
Liked
To show approval or enjoyment of someone or something, often through social media interactions or personal preference.
Reciprocal Exchange
A mutual exchange between two or more parties where each provides something of value to the others, expecting something of similar value in return.
Negotiated Exchange
A type of social interaction in which resources, services, or benefits are traded based on agreed-upon terms between parties.
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