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TED-Ed

How does this all-female species reproduce? - Susana Freitas and Darren Parker

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In 2021, workers at a Sardinian aquarium were stunned by the birth of a smooth-hound shark. What was shocking was that, for the last decade, the shark’s mother had been living only with other females. So, how was this birth possible? And can other species reproduce this way? Susana Freitas and Darren Parker explore the phenomenon of asexual reproduction known as parthenogenesis.

Additional Resources for you to Explore

Animal reproduction is a fascinating and diverse field of study, encompassing a wide range of reproductive strategies and mechanisms. If you're interested in exploring this diversity further, check out this article from Smithsonian Magazine

Parthenogenesis occurs in many animal species. For more information on some examples of parthenogenetic species, take a look at this video on Asian water dragons and these articles on zebra sharks and stick insects

To learn even more about the underlying mechanisms of parthenogenesis and how it differs from sexual reproduction, watch this video

Finally, if you're interested in delving deeper into the costs and benefits of sexual reproduction versus parthenogenesis, see this article, which also debunks a few myths about the relationship between sex and natural selection.

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Meet The Creators

Educator
Susana Freitas, Darren Parker
Director
Petya Zlateva, Compote Collective
Narrator
Jack Cutmore-Scott
Storyboard Artist
Petya Zlateva
Animator
Petya Zlateva, Nataliya Atanasova
Art Director
Petya Zlateva
Composer
BigBanda SoundScapers
Sound Designer
BigBanda SoundScapers
Director of Production
Gerta Xhelo
Producer
Anna Bechtol
Associate Producer
Abdallah Ewis
Editorial Director
Alex Rosenthal
Editorial Producer
Cella Wright
Script Editor
Alex Gendler

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