Common flatworms {planaria}| {planarion} like still fresh water, can be parasites, respire by diffusion, and have tubes with flame cells to move water and waste out. For regeneration, smed-betacatenin-1 gene product indicates head, and Wnt gene product indicates tail.
Biological Sciences>Zoology>Kinds>Flatworm>Classes
4-Zoology-Kinds-Flatworm-Classes
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Date Modified: 2022.0224