Consider the diagram of the basic structure of bacteria. Which of the labeled structures in the diagram allows bacteria to infect organisms under harsh conditions, such as in
the acidic stomach?
A
B
C
D

What are the four basic classes of organic molecules how do they differ structurally and functionally

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.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above