What is the primary role of decomposers in an ecosystem?

The primary role of decomposers in an ecosystem is to break down the remains of organisms. Decomposers, which include bacteria, fungi, and certain insects, play a crucial part in nutrient cycling by converting organic matter from dead organisms into simpler substances. This process releases nutrients back into the soil, making them available for plants and other organisms, thereby promoting the overall health and sustainability of the ecosystem.

Through their activity, decomposers help to reduce waste and support soil fertility. They efficiently recycle nutrients, allowing ecosystems to maintain a balanced flow of energy and materials. This decomposition process is essential for the continuation of life, as it enables energy transfer up the food chain by providing a source of nutrients for primary producers, which are the foundational organisms of ecosystems.