microbes
A very small living thing is called a microorganism, such as a bacterium or a virus. These organisms are microscopic and can only be seen with the help of a microscope.
small
bacteria
Small organisms that live in the sunlight regions of the ocean is called Plankton!
If a species is endangered, the organism will be found in very small numbers.
Nitrogen fixation. It can only be performed by a very small number of species of anaerobic bacteria.
'organisms' because they are living things, 'mirco-' means very small.
pinenut
Microbiology
Organisms living in very hot areas are called thermophiles, while those living in very cold areas are known as psychrophiles.
Microscopic organisms are called microorganisms. Examples of microorganisms are bacteria, fungi, protists.
because they are very tiny organisms only seen by a microscope.