Iron deficiency is one of the most common nutritional deficiencies in premenopausal women. iron is a vital part of hemoglobin, which carries oxygen to red blood cells. why do you think premenopausal women need more iron than men of the same age?

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food