Read each example and identify it with one of the mechanisms that influence gene pools. _ A zebra migrates to join a different herd of zebras.

_ Competition for sunlight leads to taller trees.

_ The DNA of a snake changes to make its venom stronger.

_ A grassfire randomly sweeps through a population of buffalo and kills most of the animals.

they are known to reach a speed of 21 miles per hour

c

explanation:

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.