Darwin suggested that evolution occurred through a mechanism called natural selection. This involves descent with modification, and many textbooks liken this to "survival of the fittest". Hope this helps!
Answer:
<h2>A.) The dispersal of seed by force ( explosive mechanism ) </h2>
Similar types of rocks in places, same species of animals with slight different evolutions to adapt to climate, the landmasses actually look like they fit together, etc..
It is the process in which gametes are produced through cell division.
Hope that helped you.
The correct answer to your question is D. covalent.