Explanation:
The unit of evolution is the population. A population consists of organisms of the same species that live in the same area. In terms of evolution, the population is assumed to be a relatively closed group. This means that most mating takes place within the population.
Answer:
Goblet Cells
Explanation:
HCL in the lumen doesn't digest the mucous because goblet cells in the mucous secrete large quantities of protective mucus that line the mucous surface.
In simple terms, our stomach has enzymes which allow it to be protected against the hydrochloride acid.
Fats and Oils. The triesters of fatty acids withglycerol<span> (1,2,3-trihydroxypropane) compose the class of lipids known as fats and oils. These triglycerides (or triacylglycerols) are found in both plants and animals, and compose one of the major food groups of our diet.</span>
