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Rotifer - Keratella Quadrata | by Micromundus
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Rotifer - Keratella Quadrata

Keratella Quadrata. Size is about 0.25 mm. Rotifer societies consists almost exclusively of females. In fact, some species does not even have males and rely upon asexual reproduction. Males only live for a few days or even hours and is focused on reproduction only. They do not even have a working digestive system and never eat before they die. Keratella Quadrata are globetrotters. They are present all over the world in freshwater ponds and lakes. Their locality is controlled rather by the environmental conditions rather than its geographical location. At the top you can see the jaws it uses to eat. The red dot is the eye, or rather a light sensitive organ.

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Taken on May 14, 2019