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13y ago
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Two openings - mouth and anus.

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12y ago

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Q: Planaria have how many openings?
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Related questions

What is planaria class?

The planaria class is Turbellaria


What kingdom do Planaria belong to?

planeriacomes under kingdom animalea


Can you write the species of Planaria as Planaria Sp?

sp refers to a planaria where the actual species is undetermined...or sometimes because several species of planaria have similar appearance or behavior and have been used in a study.


How do you perform planaria regeneration experiment?

Usually a planaria regeneration experiment involves cutting the planaria into different parts. The head can be separated from the tail or the planaria can be cut lengthwise, etc. After cutting the planaria, it will be observed for few days noting how the organism regenerate its lost body parts. Read more on planaria regeneration on t he link provided below.


Do planaria prefer light or dark environments?

Planaria prefer dark environments


How long does it take planaria to regrow?

They live for many weeks.


How does NaCl affect planaria?

NaCl, also known as salt, can affect planaria by disrupting their osmoregulation. Planaria have a delicate balance of salt concentrations in their cells to maintain proper water and ion balance. Excess salt can cause dehydration, while insufficient salt can lead to swelling and bursting of cells in planaria.


What is the scientific name for planaria?

The scientific name for planaria is flatworms in the class Turbellaria, with species such as Dugesia tigrina commonly used in research and education.


Are all planaria nonparasitic?

No


Does planaria do photosynthesis?

No, planaria do not do photosynthesis. They are free-living flatworms that are primarily carnivorous, feeding on small organisms in their environment. They rely on external sources of food for their energy needs.


Where can you find images of planaria?

Planaria images can be found in most high school or "first" biology/zoologycollege, text books.


What are two characteristics of planaria?

Planaria falls under the kingdom of animalia. so some would be heterotrophic, multicellular, and eukaryotic.