With regard to various food chains operating in an ecosystem, man is a:
Consumer
The correct option is A.
Explanation of correct option:
Explanation of incorrect option:
Option B:
Producers are green plants that prepare their food by photosynthesis by using sunlight.
Option C:
Producers are green plants and consumers, including man.
Option D:
Producers are green plants, and decomposers are organisms that carry out decomposition by decomposing dead and decay matter.
Final answer: With regard to various food chains operating in an ecosystem, man is a consumer.