The main purpose of Kreb's Cycle is to reduce the electron carriers: FADH2 and NADH. These electrons are then passed to the electron transport chain by these carriers to generate a concentration gradient of Hydrogen ions between the intermembrane space and matrix of the mitochondria. This drives ATP synthase where the actual majority of ATP is synthesized.
Answer:
c. Only the best-adapted animals in a population survive,
Explanation:
Answer:
The way a species behaves makes want or need to do certain things in certain circumstances. When those circumstances change so does the species. Causing the evolution of the species