Answer:
hunger thirst is an example of internal stimulus
Explanation:
so i would say getting up to get food or water is one
Answer:
Cobalt Co
Explanation:
Co and Zn can fully replace each other, except perhaps for small individual requirements that are met by minute metal concentrations supplied as contaminants.
The available amount of food is what is going to determine the carrying capacity. Also, carrying capacity can be dependent on the amount of shelter a system has.