What is the symbiotic relationship of two organisms of different species in which one organism gains some benefit such as protection or nourishment?

What is an organism that prefers the presence of oxygen but is capable of living and growing in its absence?

Which cellular structure controls the metabolism and carrying the inheritable characteristics of the cell?

What bacteria need oxygen but only in small amounts?

What is the relationship in which organisms of two different species live in close association to the benefit of each?

Which bacteria thrive best at high temperatures, between 40OC and 70OC?

In the first stage of the demographic transition, crude birth rate is ________ and crude death rate is ________. 

What structure allows bacteria to move away from unfavorable environments to more favorable environments?

What cellular structure acts to control the diffusion of substances into and out of the cell?

What is another name for binary fission?