Shelled amoebae. Coloured scanning electron micrograph (SEM) of shelled (testate) amoebae,single-celled (protozoan) organisms found in damp soil,leaf litter and pools. There are two main types of shelled amoeba; these shown forms their tests (shell) by producing small plates,cemented together. Other types use sand grains or other particles to form a test. Magnification: X 950 when printed at 10 centimetres wide. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Model Release : | Non requis |
Restrictions : | - |