Various families in class Turbellaria (free-living flatworms) in the phylum Platyhelminthes (flatworms) ... movement. Size. Length: varies by species; some...
作者：JJ Collins III · 2017 · 被引用次数：49 — ... locomotion, prey capture and the prevention of desiccation in terrestrial environments. These worms also possess a well-organized central...
2022年7月3日 — Organisms belonging to the phylum Platyhelminthes are mostly parasitic. These animals have a ciliated body surface. Cilia help in locomotion.
They move by the action of cilia and by muscular undulation. They generally locomote by coordinated waves of cilia on a secreted mucus trail. Some species also...
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