The second trophic level is always of
(a) Herbivores
The correct option is A:
Explanation of the correct option :
Herbivores form the second trophic level.
Explanation of the incorrect option:
Option B
Autotrophs are the producers which are plants from the first tropic level.
Option C
Carnivores form the third trophic level.
Option D
Producers form the first trophic level.
Final answer: The second trophic level is always of herbivores.