When Animals Learnt to Bite, the Evolution of the Jaw Bone

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This video shows how fish learnt to bite, one of the most important developments in vertibrate evolution that allowed fish to dominate their habitats and paved the way for land vertibrates also.

Sources:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1571356/
https://www.nature.com/news/ancient-fish-face-shows-roots-of-modern-jaw-1.13823
https://www.researchgate.net/publication/257074090_A_Silurian_placoderm_with_osteichthyan-like_marginal_jaw_bones