Quaternary consumers are not a. consumers b. prey c. predators d. animals select the best answer from the choices provided a b c d

The answer is; B

Quaternary consumers sit at the very top of food chains and have no natural predators. An example is the eagle bird. These animals die naturally and are consumed by decomposers or scavengers. Quaternary consumers are usually few in number in their populations – this can be depicted in the tapering form of an ecosystem’s energy pyramid.  

answer; i believe that the correct answer is (lung);