Where Does Planaria Live
Planaria (Platyhelminthes) Are Free-Living Flatworms That Live in Freshwater. They Are Typically Found Under Rocks and Debris in Streams, Ponds, and Springs...
Planaria (Platyhelminthes) are free-living flatworms that live in freshwater. They are typically found under rocks and debris in streams, ponds, and springs. Planarians are interesting to study for a variety of reasons.
What happens when you touch a planarian?
Because the planarian moved away from the light source, it exhibited negative phototaxis. Additionally, when touched on both its posterior and anterior ends with a pipette tip, the planarian attempted to move away from the tip, exhibiting sensitivity to touch.
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What does a planarian do?
Because of their remarkable ability to regenerate lost parts, planarians are often used experimentally to study the process of regeneration. In the flatworm Planaria, the brain consists of two cerebral ganglia (clusters of nerve cells) from which nerve cords extend the length of the body.
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