The microscopic algae are unicellular, colonial and filamentous forms of organisms.
It depends on the organism. The amoeba is a microscopic heterotroph while microscopic algae and blue-green bacteria are autotrophs.
Certain algae is unicellular and microscopic. Multicellular algae can be microscopic, but often are not. Seaweed is an example of algae that is a single multicellular organism and not microscopic.
Microscopic Algae live in coral reefs
Microorganism is a microscopic sized living organism, like germs (such as viruses or bacteria) or algae.
protist
Algae
a decomposer
A decomposer
One, the unicellular organism; which could be bacteria, algae or plankton.
Lichenaria is an organism formed from the fusion of algae and fungi.
algae
It is a microscopic algae.