The decomposers in an ecosystem are

The correct answer is (d). Bacteria are decomposers. They break down dead organisms and organic wastes into simpler substances that can be used by other organisms.

Green plants are producers. They use sunlight to make food from carbon dioxide and water.

Deers are consumers. They eat plants and other animals.

Tigers are carnivores. They eat other animals.

Bacteria are decomposers. They break down dead organisms and organic wastes into simpler substances that can be used by other organisms.

Decomposers are important because they help to recycle nutrients in the ecosystem. They also help to prevent the build-up of waste materials.