Light micrograph (LM) of Euglena sanguinea,motile stage; cells emerging from mucilaginous encysted (bloom) state for dispersal. Cause of red blooms in ponds and rivers; encysted cells float on water surface; when red cartenoid pigments are at cell surface (as here),cells and bloom are red; when exposed to the sun,pigment migrates to cell center,turning cells and bloom green. Living specimens,315X at 35mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Biophoto Associates |
Taille de l’image : | 5138 px × 3403 px |
Model Release : | Non requis |
Restrictions : |
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