Self-nourishing organisms are organisms which can somehow produce their own food. For example, plants use photosynthesis to make their food.
What does it mean when two organisms are very similar.
There are no non-living organisms, unless you mean dead organisms.
The building blocks of all organisms are cells. Is that what you mean?
It is poisoned by oxygen
Organisms are not symbolic. Perhaps you mean symbiotic?
Decomposers refers to organisms capable of breaking down dead or decaying organisms.
By organisms I'm guessing you mean both plant organisms or animal organisms. Rabbits are herbivores therefore they eat plant organisms only. The two main organisms in their diet are grass and leaves.
It is the farming of saltwater and freshwater organisms
People/organisms are being pushed together, closer together, i mean. This just provokes organisms to have kids.
These terms refer to antibiotic sensitivities; antibiotic resistant organisms versus antibiotic susceptible organisms.
Organisms that are made up of many cells
Cells make organisms, if that's what you mean.