Hermaphroditism, parthenogenesis and sequential sex change appear across animals and plants.
Sequential hermaphrodites: clownfish change from male to female; wrasses female to male. Simultaneous hermaphrodites: earthworms and many snails. Viviparity, oviparity and ovoviviparity.
Strategies include oviparity, viviparity and brooding. Sex change can be adaptive, as in species where large individuals of one sex have an advantage.
Example: parrotfish change from female to male.
Hermaphroditism, parthenogenesis and sequential sex change appear across animals and plants.
Reproductive Strategies Across Taxa is one of the 54 topics in Reproduction & Endocrinology. It is rated Advanced, so it suits learners who want specialist depth. Related topics in this area include Reproduction, Parthenogenesis, Evolution of Placentation.
Seahorse males carry eggs in a brood pouch.
Work through the Beginner topics in Reproduction & Endocrinology first, such as Reproduction, Asexual Reproduction, Sexual Reproduction, then return to Reproductive Strategies Across Taxa. Advanced topics assume the Intermediate vocabulary.
The closest topics to Reproductive Strategies Across Taxa are Reproduction, Parthenogenesis, Evolution of Placentation, Female Reproductive System. Comparing them side by side is a good way to see how the ideas connect.
Read the summary and the in-depth section, then use the quick check on the interactive lesson for Reproductive Strategies Across Taxa. To practise the whole of Reproduction & Endocrinology, use the Reproduction & Endocrinology quiz.
Reproductive Strategies Across Taxa: Hermaphroditism, parthenogenesis and sequential sex change appear across animals and plants. Reproduction: The biological process by which organisms produce offspring, asexual or sexual. Read both side by side and note what each one explains.
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Reproduction and explain the difference aloud. Finally, take the Reproduction & Endocrinology quiz and come back to this page for any question you miss.
The biological process by which organisms produce offspring, asexual or sexual.
🌸 Reproduction & EndocrinologyDevelopment of an egg without fertilisation, found in some insects, reptiles and fish.
🌸 Reproduction & EndocrinologyViviparity and the placenta evolved independently many times across vertebrates.
🌸 Reproduction & EndocrinologyOvaries release eggs and hormones; the uterus nurtures the developing embryo.
🌸 Reproduction & Endocrinology