Question

question 5 why are decomposers essential in an ecosystem? to break down dead matter to produce oxygen to control predator populations

Explanation:

Decomposers, like bacteria and fungi, break down dead organisms and waste materials. This process recycles nutrients back into the ecosystem, making them available for producers to use again. They do not produce oxygen (that's mainly producers like plants), control predator populations, or provide energy directly to producers.

Answer:

To break down dead matter