Answer:
B
Explanation:
The spine of a human is S shaped as opposed to that of a chimpanzee, that is C shaped. In humans, this shape allows for the weight of the chest to rest upon the pelvis. Conversely, the C shaped spine of apes allows for the weight to be forward which is better for four-legged locomotion.
As a noun one response to the entire physiological process activating such a movement free any automatic I’m thinking often habitual behavior or response or reflection or image of an object as exhibited by a mirror or the like
They essentially do what humans do. They eat the food, which in this case is decaying materials (detritus), break down the material chemically and mechanically, absorb the nutrients they need, then excrete the 'waste', which contains other nutrients. Soil is basically clay, sand, silt and decomposer's cr*p.<span />