The part of the brain involved in controlling the body's overall reaction to stress is the

I think is the hypothalamus- pituitary-adrenal.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

the correct answer is:

a population changes in response to a change in the environment.