Concept of the day: Exaptation: https://en.wikipedia.org/wiki/Exaptation
"Adaptation of an existing structure for a completely different purpose"
Example: Feathers - birds use them for flight but dinosaurs used them first for insulation.
Concept of the day: Exaptation: https://en.wikipedia.org/wiki/Exaptation
"Adaptation of an existing structure for a completely different purpose"
Example: Feathers - birds use them for flight but dinosaurs used them first for insulation.