Some organisms are single cell. Some have many features that are common but they come in a variety of types which adapt to specific functions. Tissues are formed by organizing a specific type of cells. Organs are organized by tissues. C. From organisms to biomes 1.
Organisms constitute any living creature.
Species consists of a total group of organisms. Population is any group of organism that coexist at the same time in the same place. They are also capable to interbreed with one another. Ecological communities are all different species living in a particular area. Biomes are the major type of ecological communities.