this food web is from an ocean ecosystem in the ross sea, off the coast of antarctica. which of the…

this food web is from an ocean ecosystem in the ross sea, off the coast of antarctica. which of the following organisms eat a tertiary consumer in this food web? select all that apply. crabeater seal icefish silverfish

this food web is from an ocean ecosystem in the ross sea, off the coast of antarctica. which of the following organisms eat a tertiary consumer in this food web? select all that apply. crabeater seal icefish silverfish

Answer

Explanation:

Step1: Identify tertiary consumers

In a food - web, tertiary consumers eat secondary consumers. By observing the food - web, we need to find out which organisms are eaten by the given options.

Step2: Check each option

  • Crab - eater seal: It preys on organisms that are likely secondary consumers, and there are no arrows indicating it is eaten by other major organisms in the web.
  • Icefish: It is part of the food - web and is eaten by other organisms.
  • Silverfish: It is also part of the food - web and is eaten by other organisms.

Answer:

Crab - eater seal, Icefish, Silverfish