For a long time scientist figured that the bones are so small because They are vestigial, a shrunken evolutionary remnant From an ancestor that once walked on land. But now scientists Have discovered that the tiny bones they actually play a huge role in whale reproduction.
External stimulus
The stimulus to which the organism is adapting to is outside of the organism's body.
Option B cause you can continue using it many times
Pan represents the genus while paniscus represents the species.
