Environmental spills of petroleum are sometimes cleaned up by using?
a) protists
b) viruses
c) bacteria
d) bacteriophages

in addition to being able to metabolize, grow, digest food, and excrete wastes, what other functions must an organism perform if it is to survive? survival also depends on the ability to maintain one's boundaries, to move, to respond to stimuli, and to reproduce. oxygen is a survival need.

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;