Sycon sp. sponge (centre). Sponges are primitive aquatic animals that filter food from the water. Their bodies are supported by an internal skeleton of calcium or silicon based spicules (spines),and fibres of the protein spongin | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Semenov, Alexander |
Bildgröße: | 5150 px × 3425 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |