It is a form of natural selection called sexual selection.
It is a dietary supplement that helps generare <span>collagen which </span>repair tissues (oranges are pretty good for your skin basically) protect against heart disease, decreases bad cholesterol and prevents specific diseases.
The neurons conduct impulses over relatively long distance in the body. This is facilitated by their long cytoplasmic extensions
Answer;
A) island forms and mainland forms descended from common ancestors.
Explanation;
-Islands tend to host very distinct but limited sets or species; on a given island a spectacular collection of one related group of species would be present and thriving, but many entire families or even higher taxa would be completely absent.
-All the species on the islands and the nearest continent are closely related to one another, however, each species had a set of adaptations that suits it for a particular environment. This means that the island forms and mainland forms descended from common ancestors.