Bright/showy traits are usually considered "indirect benefits." what are the two hypotheses that could explain bright ornamental plumage?

The different colorations that birds have in their plumage are determined by a combination between the content of pigments (carotenes or melanins) that they possess and the particular microstructure of certain parts of the feathers.

both the house and senate must approve the conference report.   after it is approved by both on an identical from, it will be sent to the president.   if the president approves it, it will become law.

answer; ///i believe the correct answer is the empire state building;