Which organism is the carnivore in this food web?

A. zooplankton

B. marine phytoplankton

C. Adélie penguin

D. krill

Among the choices, the only one that can be considered a carnivore is C. Adelie penguin. Adelie penguins are found in the Arctic, and feed on aquatic creatures such as krill, fish, and squid. Krill is a type of crustacean that feeds on phytoplankton, which is at the bottom of the food chain.