Explanation:
Hey, there!!
The answer is option A. (Ants)
As herbivorous are those organism which only consume various type of plants.
- For option A, Algae is a plant.
- Option B, Ants are not plants and herbivorous don't eat them.
- Option C is also a plant.
- Option D is leaves of plants only.
So, all are consumed by herbivorous expect ants as it is an insect.
Hope it helps...
