On average, those with the short form of the transporter gene and a history of stressful experiences reported more than average symptoms of depre

On average, those with the short form of the transporter gene and a history of stressful experiences reported more than average symptoms of depression

Serotonin

Explanation:

Serotonin is an important neurotransmitter in the brain that helps to monitor, balance and control appetite, moods, digestion, sleep in humans.

Serotonin transporter gene exists in two forms; the short form and the long form.

People who possess the serotonin transporter gene in the short form are more prone to go through depression or experience heightened forms of anxiety.

c

explanation:

i think

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.