Question

The first trophic level in an ecosystem consists of

• A. Primary producers
• B. Primary consumers
• C. Secondary producers
• D. Secondary consumers
• E. Top carnivores

Answer 1

Answer: (A)

Primary producers

An ecosystem consists of various trophic levels. The first trophic level consists of primary producers such as plants and other photosynthetic organisms. The second trophic level consists of primary consumers that feed upon producers.They are herbivores. The third trophic level consists of secondary consumers that feed upon primary consumers. They are carnivores. The top carnivores are present at the top of the pyramid.

Thus, the correct answer is 'Primary producers.'