Why do you think that I am going to DELIBERATELY lead you away from the idea of a Food Chain?

According to the cladogram, which organisms have roundworms as a common ancestor?

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.