Question

4.
which organisms are always lower level in afood chain​

Answer 1

Producers or photosynthetic organisms

hope this helps you.

Answer 2

$\bf{\underline{\underline \green{AnswEr:-}}}$

The bottom of the food web is made up of microscopic organisms, we have the bacteria, the phytoplankton and the zoo plankton. The phytoplankton are the grass of the sea, they take the sunlight and the nutrientsphotosynthesise to produce food that can be then used by other organisms.