Which sentence best explains how a unicellular organism gets nutrients?

How does photosynthesis show the conservation of mass and energy?

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

Adaptive radiations can be a direct consequence of four of the following five factors. select the 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