Answer:
Explanation:
Lipids also come from foods, most commonly in the form of cholesterol or triglycerides. Certain kinds of essential lipids are often present in vegetable oils and legumes, as well as the cell membranes of just about every living thing.
The answer is C) selective breeding. This means that humans are deciding what to breed which means this is not a natural selection, but rather an artificial selection.
Neither, humans don't have an estrous cycle, instead the females have a menstrual cycle.
In facilitated diffusion.molecules only move with the aid of a protiein in the membrain simple diffusion is passive but facliitaed diffusion is an active process that uses energy simple diffusion requires molecules to move through special doorways in the cell membrane
