Question

They break down the complex organic compounds present in the remains of dead plants and animals into simpler substances

• A. Producers
• B. Primary consumers
• C. Decomposers
• D. Herbivores

Answer 1

The correct option is C

Decomposers

The correct option is C.

Explanation of the correct option:

1. There are some microscopic organisms that feed on the dead bodies of organisms and decaying organic matter known as decomposers.
2. Certain bacteria and fungi act as decomposers in the ecosystem.
3. They are useful in releasing nutrients as they break down the complex organic compounds present in the remains of dead plants and animals into simpler substances and send back into the environment.

Explanation of the incorrect options:

Option A:

Producers are green plants that make their own food in the presence of sunlight using water, minerals and carbon dioxide.

Option B:

1. Living organisms that consume only plants are known as primary consumers.
2. Example: cow, deer, horse etc.

Option D:

1. Animals that eat green plants are called herbivores.
2. Herbivores belong under the primary consumer level.

Final answer: Decomposers break down the complex organic compounds present in the remains of dead plants and animals into simpler substances.