Testate amoeba. Polarised light micrograph of an Arcella sp. testate (shelled) amoeba and Spirogyra sp. filamentous green algae. This protozoan is found in freshwater ponds and puddles. It feeds on diatoms, unicellular green algae and other protozoa. The circular shell is formed from the polysaccharide chitin. Magnification: x186 when printed at 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mis, Marek |
Bildgröße: | 7237 px × 4830 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |