Which organisms are tertiary consumers? Check all that apply. penguin cod elephant seal killer whale krill squid leopard seal zooplankton

Tertiary Consumers: killer whales, penguins, leopard seals, and elephant seals

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for