Answer:
energy is lost in the food chains so many secondary consumers cannot be supported
Alveoli, the tiny air sacks in your lungs
I'm sure there are many processes that add to diversity, but the ones that stand out to me would be meosis, natural selection, mutation, random mating.
I think c but choose at your risk!
Answer:
What was once a continuous population is divided into two or more smaller populations. This can occur when rivers change course, mountains rise, continents drift, or organisms migrate. The geographic barrier isn't necessarily a physical barrier that separates two or more groups of organisms. It might just be unfavorable habitat between the two populations that keeps them from mating with one another.
Explanation:
