B is the compound because a compound is two or more different atoms that combine.
Wild animal meat (small game animals), various vegetables, (corn, squash, etc.)
Answer: Nonpolar lipid layers
Explanation:
Answer:
<h2> I don't know but my Answer is </h2><h3>from different environments ,each structure suits their environment better than the other's</h3>
The process by which unspecialized cells become specialized into one of many different types of cells, such as neurons or epithelial cells.