Want this question answered?
hominids
Hominids
Hominids
reptiles
After Darwin, Linnaeus progressed the evolutionary thought.
The feathers helped retain body heat.
lobe-finned fish
They are thought to have separate paths of evolutionary development.
They are thought to have different paths of evolutionary development.Different biochemistry. Archea have more sulphur
lobe-finned fish
lobe-finned fish
Exaptation. The shift in the purpose of a trait during its evolutionary history. Recent findings on feathers rather well support feathers as exaptions. They originally evolved, so we think, as insulation and then later they became useful for flight.