Question

If a trait currently affects fitness but arose under different conditions in the past for a different function, what is it considered currently?

		Exaptation
		Adaptation
		Trait
		Trade-off
		Variation
		Mutation

2) _____________ was one of the first Greeks to construct an explanation of the Universe using solely naturalistic explanations. (use one name, spelling counts).

Answer 1

Answer 1:

The given statement describes Exaptation. It means that the trait was originally produced in past to serve some other function and now it is serving a function different from that. A classic example is origin of feathers. Initially their purpose was to provide insulation, however, they were co-opted for the purpose of flight in birds.

Answer 2:

Anaximander was one of the first Greeks to construct an explanation of the Universe using solely naturalistic explanations.