Birdwatch Note Rating
2024-01-14 09:45:34 UTC - HELPFUL
Rated by Participant: 63BA1263E58DA676F8A1DECF3EEA878D3544D009C1BE3D11B2499D30E5B5373A
Participant Details
Original Note:
Humans have K9 teeth, for the same reason as other animals with more obvious K9 teeth. In humans, evolution has led to K9 teeth shrinking, becoming the shortest among omnivores. https://www.biologyonline.com/articles/humans-omnivores https://www.newscientist.com/article/2299286-canine-teeth-shrank-in-human-ancestors-at-least-4-5-million-years-ago/
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