Why are communities that are m+re diverse usually more stable ?

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

What abo controlling alleles could kim give her child

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.