The Origin of Species: Lizards in an Evolutionary Tree
Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.
Browse Full-length Non-member Titles![Graphic of four islands close to each other. Each island has lizards on it. Caption: evolved independently on each island.](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/8156_1.jpg)
Working in the islands of the Caribbean, biologist Jonathan Losos has discovered the traits that enable dozens of anole species to adapt to different vertical niches in the forest. Differences in limb length, body shape, and toepad size allow different species to flourish on the ground. However, lizards living on thin branches or high in the canopy have different characteristics. These varied adaptations have played a key role in reproductive isolation and the formation of new species.
Media Details
Runtime: 17 minutes 49 seconds
- Topic: Science
- Subtopic: Animal Behavior, Biology, Evolution, Reptiles
- Grade/Interest Level: 9 - 12
- Standards:
- Release Year: 2013
- Producer/Distributor: Howard Hughes Medical Institute
- Series: The Origin of Species
- Report a Problem
Available Resources
Related Media
![Multi-sailed ship on the ocean as seen from above. Caption: Darwin jumped at the chance to sail around the world](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/8154_1.jpg)
The Origin of Species: The Making of a Theory
![Graphic of island with birds that are similar except for coloring. Caption: They had become distinct species.](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/8155_1.jpg)
The Origin of Species: The Beak of the Finch
![Graphic of four islands close to each other. Each island has lizards on it. Caption: evolved independently on each island.](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/8156_1.jpg)
The Origin of Species: Lizards in an Evolutionary Tree