Is a decomposer a predator or a prey? Explain

Decomposers are prey.

Explanation:

Decomposers break down (hence, 'decompose') dead organisms, and are heterotrophs, but are not predators. They do not actively go hunting, nor consume food like a predator typically would, and are not technically scavengers.

However, they are eaten. We eat mushrooms and fungi all the time. Other animals eat them. This constitutes them as prey.

which condition is a cause of impotency in men?

b. the inability of the penis to become erect