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Shana Bradtke ∙
The process used by some protists to actively ingest food particles is called Phagocytosis.
unicellular
oxygen in the atmosphere
The contractile vacuole allows free-living protists to expel extra water
rusts and smuts
prion
chicken pox
Endocytosis.
they can fix nitrogen
There are many human diseases caused by bacteria. Two examples are salmonella and e coli.