The relationship these two organisms would share would be called a mutual(istic) symbiotic relationship.
If you mean when two different organisms live closely together and help each other survive, then it's symbiosis.
These are called Organisms.
This behavior is called aggregation or clustering. Organisms may group together for various reasons such as protection, foraging, mating, or social interaction.
mutalism
Symbiosis
tissues.
Colonies
The would called a community.
the advantage of micro organisms is that they help to keep the balance in the atmosphere. micro organisms use nitrogen like humans use oxygen, so nitrogen is 71% in the atmosphere and oxygen 21% and carbon dioxide 0.04% so with the help these of organisms there is a balance in the air that's why they are called important
It is called frenhrt. A grerman word for liar.
Selective Breeding
Two organisms of different species that live together with one clearly benefitting from such living arrangements and the other suffering from the partnership is called parasitism. This is a symbiotic relationship.