What do producers dictate in an ecosystem?
A. the size of the organisms
B. the age of the organisms
C. the amount of organisms

C. The amount of organisms

Explanation:

Producers produce food from inorganic matter, this then makes food for other organisms in an ecosystem. The amount of producers dictates how much food is available, and by that how many organisms can be present.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.