The gray matter in the spinal cord is located in the , and its shape resembles a letter h, or a butterfly. the cell bodies of somatic motor neurons are primarily housed in the horns, which innervate skeletal muscle.

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england