Reproduction and Development in Aschelminthes. -
- Aschelminthes are dioecious animals, i.e., the male and female reproductive organs are present in different individuals.
- Sexual dimorphism is also observed, i.e., females are longer than the males.
- Fertilization is internal and development occurs through the larval stage.
- Hence, the development is indirect.
The following types of larvae are seen in different roundworms:
- Filariform larva - hookworm
- Microfilaria larva - Wuchereria
- Rhabditiform larva - Ascaris
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Hookworm shows filariform larva.
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