Stock Video - Stentor polymorphus. Light microscopy footage of the ciliate protozoan green stentor (Stentor polymorphus). This freshwater protozoan feeds mainly on bacteria ...
. Its green colour is caused by the presence of numerous individual Zoochlorella algae, with which it has a symbiotic relationship. The algae photosynthesise inside the protozoan, providing it with sugars and oxygen, while deriving protection from their host. Filmed with darkfield illumination.
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FRANK FOX/SCIENCE PHOTO LIBRARY
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