Dinosaur Reproduction
Two people look at a diagram of two dinosaurs producing a bird; one explains it with the algebraic idea of closure.
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-05-26-dinosaur-reproduction/ (CC BY-NC 4.0)Transcript
A: "I don't get it. How could birds evolve from dinosaurs?"
B: "Well, dinosaurs aren't closed under reproduction."
[Board: two dinosaurs combining to produce a bird]
[Caption] "Group theory meets evolutionary biology."