Which is essential for finding the biomass of spinach? . . a. to calculate the dry weight of the entire spinach plant. . b. to calculate the volume of the juice in the spinach leaves. . c. to calculate the wet weight of the spinach leaves and stem.

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