Why are decomposers such as bacteria important to an ecosystem's food web?

they recover nutrients from dead matter and waste.
they feed the primary producers.
they take in energy from inorganic compounds.
they provide nutrition directly to consumers.

The correct answer would be They recover nutrients from dead matter and waste.

Decomposers refer to organisms which get their nutrition by breaking down the dead organic waste (dead animals and plants).

They decompose the dead matter and return the nutrients to the ecosystem.

Decomposers include bacteria, fungi, and some insects.

well

explanation:

a- all cells come from pre-existing cells