Identify each organism in the food chain below.

algae is _____
Zooplankton is _____
Small fishes is ______
Squid is ______
Shark _____

A.) primary consumer (1st level consumer )
B.) tertiary consumer (3rd level consumer )
C.) producer
D.) secondary consumer (2nd level consumer)
E.) quaternary consumer (4th level consumer)

Algae is C.) producer

Zooplankton is A.) primary consumer (1st level consumer)
Small fishes is D.) secondary consumer (2nd level consumer)
Squid is B.) tertiary consumer (3rd level consumer)
Shark is E.) quaternary consumer (4th level consumer)