PPT Slide

Class Turbellaria conít

Reproduction

• Planarians are capable of asexual reproduction via fission

• Also capable of regeneration; exhibit both anterior- posterior and lateral polarity

• They are hermaphrodites but usually exhibit cross-fertilization

• The penis of some turbellarians is modified as a hollow stylet; sperm tranfer is by hypodermic impregnation, in which the copulating partners stab each other and inject sperm

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