It's 100% not B.... but other than that the organism must be provided. protozoans use flagellum (whip-like structure), amoeba use pseudopods (false feet), and cilia (hair-like structure) are used for eukaryotic cells.
It helps organize the biology of different bi-organisms plz mark as brainlest<span />
Explanation:
Each kidney consists of an outer renal cortex, an inner renal medulla, and a renal pelvis.
B. By using up less calories than you take
Because Evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations
