For a primary producer, the main function of photosynthesis is to manufacture:

Energy/food!

Explanation:

A plant uses sunlight to create food. In this process, a plant will also need carbon dioxide and water. As a byproduct, the plant will also make oxygen and release it.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: