Monoecious

Definition

Monoecious organisms have both male and female reproductive organs in a single individual. This term is often used to describe certain parasitic helminths.

5 Must Know Facts For Your Next Test

1. Monoecious helminths can self-fertilize or cross-fertilize with another individual.
2. Examples of monoecious parasitic helminths include many species of flatworms, such as tapeworms and flukes.
3. Having both reproductive organs can be advantageous for survival in limited host environments.
4. Monoecious reproduction increases the likelihood of successful reproduction since it does not require finding a mate.
5. The presence of both reproductive systems may contribute to the complex life cycles seen in these parasites.

Review Questions

• What does it mean for a parasitic helminth to be monoecious?
• Name two types of parasitic helminths that are commonly monoecious.
• Why might being monoecious be an advantage for parasitic helminths?

Related terms

Dioecious: Organisms that have distinct male and female individuals.

Hermaphroditic: Another term for organisms with both male and female reproductive organs, often used interchangeably with monoecious.

Parasitic Helminths: Worm-like parasites that can live inside human and animal hosts, causing various diseases.