Question

What will happen to an ecosystem if:
a. All producers are removed.

Answer 1

Answer:

The removal of the producers would cause the collapse of the entire food web. Primary consumers or herbivores, which feed on producers directly, would die off. ... Higher level consumers would suffer as organisms from lower trophic levels start to die off.

Answer 2

Answer:

if we remove all the producers from a ecosystem then all the other organisms will die as producers are the ground level component on which the ecosystem depends