The answer is fundamental niche
C
Because if you look at the last stage the crust of the earth is a solid so it has to be c
3 examples of proteins in living organisms:
1. Collagen - maintains firmness and structure to body cells and tissues, keeping them together.
2. Keratin - creates the protective barrier for living organisms like skin, nails, and hair.
3. Globular and trans-membrane - supports the regulation of the flow of small ions and molecules such as sodium and glucose.
<span>Gradually working towards bei g able to ve in enclosed spaces. The treatments might begin with such an excersise as being in a crowded room. Then decreasing the size of the room but allowing the same number of people. There are many proven methods to naturally desensatize to the anxiety caused by claustrophobia.</span>
D - the theory of natural selection states that the population will be narrowed as "less fit" organisms die and "more fit" organisms survive, passing on their beneficial genes to offspring. Therefore, more organisms are born than can survive.
