Answer:
C
Some vertebrates are warm blooded while others are cold blooded
Answer:
Suspension
Explanation:
A suspension is a heterogeneous mixture in which some of the particles settle out of the mixture upon standing. The particles in a suspension are far larger than those of a solution and thus gravity is able to pull them down out of the dispersion medium (water).
Natural selection is what makes evolution occur, it is one major cause of evolution. Certain species survive and die due to natural selection. The strongest and most evolved will survive vs the weak and not evolved species. Species have to adapt to their environment and natural selection is constantly causing species to keep evolving over time.