OBJECTIVE FORESTRY

Detailed explanation-1: -The gross primary producer biotic factors are plants and trees. They employ photosynthesis to capture energy from the environment and produce it in some other preservable form. Apart from plants and trees, coral, algae, and bacteria are also important producers of an ecosystem.

Detailed explanation-2: -Grass as producers (autotrophs).

Detailed explanation-3: -Biotic factors are grouped by scientists into three major groups, which define their role in the flow of energy which all living things in the ecosystem need to survive. These groups are producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.