They are heterothrophs.
The single eukaryote cell is similar to an animal cell.
They live in acuatic environments.
Microorganisms and health
Unicellular or multicellular
We can´t see them, but we need them.
Bacteria,protozoa and many types of algae are microscopic organisms
They privide food and oxigen: photosynthetic.
They eliminate residue.
Protozoe and algae :simple eukaryotes.
their cell are like plant cell
Types of algae
Brown algae: 50 metres in lenght
Red algae: live fixed to rocks or on animal shells
Green algae: green pigment: chlorophyll
Unicellular or simple multicelular.