BIO 1700 Lecture Notes - Lecture 11: Pharyngeal Teeth, Osteichthyes, Temporal Muscle
7 Mar 2017
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Reptiles: leatherback turtles: eat jellyfish, when the jellyfish is eaten, it has semi-rigid points in the back of the mouth and the throat, turtles are becoming extinct (cid:271)e(cid:272)ause they (cid:272)a(cid:374)"t tell the differe(cid:374)(cid:272)e between plastic bags and jellyfish. Crocodiles: eat via movement, have to move to get their prey, they are able to breathe through their nose while having prey in their mouth, alligators have a longer mouth. Birds: came from dinosaurs, dinosaurs with feathers, all modern birds have no teeth, have beaks to get specific food. Mammals: whales: eat plankton, open their mouth and take in lots of water/fish/plankton, then the floor of their mouth goes down and the tongue pushes the water up to leave the mouth (leaving only fish/plankton), Other kinds have fanons (thin teeth) in the inferior jaw. Carnivores: articulation of the inferior jaw of the head at the same level as the row of teeth, hinge articulation (eating)
