Sapolsky<span> observes </span>baboons<span> in the wild to </span>determine<span> their ranks, ...
I Think it right Hope it helps :)</span>
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. ... Some animals ues intracellular digestion, where food is taken into cells by phagocytosis with digestive enzymes being secreted into the phagocytic vesicles.
The center of an atom is a nucleas. you can find this answer in most textbooks on science
