There are 3 recognized domains, or broadest classification of organism. These are Bacteria, Archaea, and Eukarya. In the simplest case, an organism can be a bacteria, a DNA molecule containing genetic information wrapped in a protective plasma membrane.

Here are 10 examples of organisms across various domains and kingdoms: Escherichia coli ( E. coli ) : A common bacterium found in the intestines of many animals, including humans. It is often used in scientific research.

Living things, or organisms, are entities that exhibit life processes such as growth, reproduction, response to stimuli, and metabolism. They include flora (plants) and fauna (animals), all contributing to the complex web of life within ecosystems.

There are billions to trillions of different types of organisms living on our planet Earth. Based on the different criteria all these organisms are classified into different groups. Every type of species of organism varies from one another.