Animals? but I would talk about how their population is declining and becoming really close to endangered. I wouldn’t view them as a natural resource.
Answer:
As part of the phosphate group, it is a component of DNA, RNA, ATP (adenosine triphosphate), and the phospholipids that form all cell membranes.
The elements are pure forms of matter that cannot be broken down into simpler substances.
Differentiation is the process that creates specialized cells.