Planaria General Characteristics | Free Biology Notes

In this article we will discuss about Planaria General Characteristics

Planaria General Characteristics

1. Planaria is found commonly in freshwater
2. Planaria are gregarious, carnivorous and hermaphrodite
3. Head bears a pair of lateral projections called auricles, they are chemoreceptor’s and sense chemicals in the water
4. Near the anterior are two eyespots. These allow to sense light whether it is darkness or light
5. Pharynx is tubular structure that can be everted beyond the mouth
6. If Planaria is cut across into two, three or more parts, each part regenerates into a complete and normal individual.
7. Neoblast cells found in planarians which is help in regeneration
8. Life cycle is usually direct without any larvel stages