Polymastia sponge (Polymastia arctica). Sponges are simple multicellular animals, most species of which are marine. The internal skeleton (endoskeleton) of a sponge is formed from structures called spicules. Photographed in the Russian Arctic, in the White Sea. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Semenov, Alexander |
Bildgröße: | 4830 px × 7236 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |