 |
| Previous Image | Next Image |
| Description: (a) Longitudinal section of Hydra. (b) The animal's movements assist the flow of water throughout the cavity, which extends into the tentacles.
Picture Stats: Views: 5344 Filesize: 125.41kB Height: 1129 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=1198 |