It's c natural resources because they can never run out
<span>Several types of relationship exist between living organisms in an ecosystem. When two different species of animals depend on the same king of food for survival, this type of relationship is called COMPETITION. In competition relationships, the fittest usually survival.</span><span />
Diffusion is the passive transport from a high concentration to a low without using energy. homeostasis results from balance.
The type of evolutionary mechanism, genetic drift
