Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
B.) crystallization. Igneous rocks turn into sediments through the process of crystallization.
The answer to your question is C!
<span>All the animals mentioned [monkey, fish, star fish, clam gecko] have endoskeleton except grasshopper which has exoskeleton. Endoskeleton is an internalised skeleton which is found inside the body of the animals which possess it while exoskeleton is a type of skeleton that is found outside the body.</span>
