Question

Some common herbivores in terrestrial ecosystem are

• A.
  Mammals
• B.
  All of the above
• C.
  Insects
• D.
  Birds

Answer 1

The correct option is B

All of the above
Herbivores
Herbivores are those organisms that feed on primary producers like plants, algae, and phytoplanktons, for the purpose of food and energy.

Insects
Insects like grasshoppers and beetles feed on plants. Thus, they are herbivores.

Birds
Granivorous birds like sparrows and finches eat grains and thus are herbivorous.

Mammals
Certain mammals like zebras, and elephants' primary diet is grass. Thus, they are herbivores

Final answer
d. All of the above