What is a tetrapod? What is a homologue, and how does it differ from convergent evolution? Dana answers Leslie's many questions about animal development from embryo to adult, talks about her research on amphibians and axolotls, and how her book, "Dana Digs Dinosaurs", was inspired by the excitement of a seven year old.

Podcast for Inquiry is brought to you by the Centre for Inquiry Canada. Hosted by Leslie Rosenblood. Produced by Lee Shields, Zack Dumont, and Martin Zielinski. Graphic design by Nikolay Nikitushkin. Music by Anthony Lazaro. Please contribute to Podcast for Inquiry at https://centreforinquiry.ca/donate. Send your thoughts and feedback to [email protected].