Each organism has a job in a community
The correct answer will be the second one Growth of a tumor
They are mostly habittated to watter because they requres oxygen more from water or there organ setup to do it works properly under water.
The source of the oxygen released into the air as a product of photosynthesis is C) Water only.
Organ is an organism that is a collection of tissues and it perform a specific functions.It is found in the higher biological systems like plants, animals, and human beings. While the organelle is a part of a cell that specialized units and capable of performing a specific function for the cell. It is a very small subunits inside a cell.