Close up of coral polyps (Echinopora sp.). Coral use their sensitive tentacles to trap plankton particles from the water,which is then passed through to the mouth. The polyps build tough structures of calcium carbonate around themselves for protection and support. Coral reefs form the basis of extensive marine ecosystems | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Oldfield, Matthew |
Bildgröße: | 4288 px × 2848 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |