Why Do We Have 5 Fingers On Each Hand and 5 Toes On Each Foot?

The DoSeum is a place where interactive fun and hands-on learning come together—a place where minds are always at play.  During your visit, our exhibits, programs, and classes will encourage young minds to explore the joy of learning through connections to STEM, the arts, and literacy, but curiosity and exploration don't have to end when you leave!

Explore our DIY Activities, Storytimes, and Questions from Kids that were created for you to DO at home and stay connected with your family while keeping minds at play in between your visits!

To learn more about how you can help support your DoSeum, especially during these unprecedented times, please visit our SUPPORT page.



Why Do We Have 5 Fingers On Each Hand and 5 Toes On Each Foot?

In this week’s Ask A Doer Dr. Richard explores Inigo’s question: Why do we have 5 fingers on each hand and 5 toes on each foot? Jumping into human evolution, we will find why we didn’t evolve to have 2 fingers or even 8 fingers on each hand!

Terms You’ve Learned: 

Vertebrate – A vertebrate is an animal with a backbone. Fishes, amphibians, reptiles, birds, and mammals, including humans, are all vertebrates.

Digits – A finger, thumb, or toe of land vertebrates.

Primate – Primates are a type of mammal with forward-facing eyes, grasping hands and feet, and a large brain. Over 200 types live on Earth today, including humans!

Sign up for our Newsletter!

Your information is secure.

Sign Up