What impact do trees have on the food web?

plants make or produce, which is the beginning of most of the food energy on Earth. This is why plants are called producers. They use some of the food energy to carry out their own functions and store the rest of the energy in their leaves, stems, roots, and other parts.

Explanation:

I hope that is it...

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: