Question

Choose the correct options:

Trophic level	Example
A. First tropic level	I. Zooplankton
B. Second tropic level	II. Phytoplankton
C. Third tropic level	III. Bear
D. Fourth tropic level	IV. Fishes

• A. A-I, B-III, C-IV, D-II
• B. A-II, B-I, C-IV, D-III
• C. A-I, B-II, C-IV, D-III
• D. A-III, B-I, C-IV, D-II

Answer 1

The correct option is B A-II, B-I, C-IV, D-III

Primary producers like plants and phytoplanktons belong to the first tropic level. Second tropic level includes herbivores like zooplanktons, grasshoppers and cows. Carnivores like birds, fishes and wolf are in the third tropic level. While the top carnivores like humans and bear belong to fourth tropic level.