Match the Column I with Column II :

A-3,B-1,C-4,D-2

The correct answer is Option (3) -A-3,B-1,C-4,D-2

Column I      Column II

A. Primary consumers 3. A vegetable eater that eats producers

B. Secondary consumers  1. A meat eater that eats primary consumers

C. Tertiary consumers 4. A meat eater that eats secondary consumers

D. Quaternary consumers 2. A meat eater that eats tertiary consumers

Explanation:

A. Primary consumers are organisms that directly feed on producers (plants), which are the first trophic level in a food chain.

B. Secondary consumers are organisms that feed on primary consumers, which are at the second trophic level in a food chain.

C. Tertiary consumers are organisms that consume secondary consumers, which are at the third trophic level in a food chain. They can be meat eaters or carnivores.

D. Quaternary consumers are organisms that consume tertiary consumers, which are at the fourth trophic level in a food chain. They can also be meat eaters or carnivores.