Secondary succession occurs in which of the following? A. an area where the ecosystem has been completely wiped out by volcanic eruption B. an area where the ecosystem has been badly damaged C. an area through which a glacier has retreated, leaving bare rock

What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

What are the three groups of atoms that make up amino acids called