4: a species is a group of interbreeding natural populations that are reproductively isolated from other such groups. Process of Speciation. The process of speciation is a 2 stage process in which reproductive isolating mechanisms arise between groups of populations.
Answer:
Ecology is the study of organisms and how they interact with the environment around them. ... Changes in ecosystems can result from many different factors including diseases among the organisms living in the area, increases in temperature, and increased human activities.
Explanation:
I think it’s insulin becaus Without insulin, glucose may be present in the blood but the cells are unable to utilize it. People with diabetes lack an adequate supply of insulin
I believe that blood pressure rises and falls in a pattern corresponding to the phases of the cardiac cycle. The maximum pressure achieved during ventricular contraction is called the systolic pressure while the lowest pressure that remains in the arterial system during ventricular relaxation is the diastolic pressure.