Lichen. Coloured scanning electron micrograph (SEM) of an unidentified lichen. A lichen is a mutualistic organism comprising an alga that lives within a fungus in a mutually-beneficial symbiotic relationship. The alga produces carbohydrates for the fungus by photosynthesis,and the fungus protects the alga from harsh conditions. Magnification: x165 at 6x7cm size | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 2061 px × 1651 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |