PSL280H1 Lecture Notes - Lecture 4: Zygomatic Arch, Rib Cage, Bear
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Cetatio(cid:374)s a(cid:374)d pi(cid:374)epeds do(cid:374)"t (cid:272)he(cid:449) their food, the(cid:455) s(cid:449)allo(cid:449) is (cid:449)hole. Most of the digestio(cid:374) o(cid:272)(cid:272)urs o(cid:374) intact meat and fish that they eat. In cetaceans, they use mandibles to receive sound. Benthic is inside the sedieemtn, its not in the water column. Pinnnipeds have different teeth for different tasks that they perform. The incisors are bordered on each side by the canines. Theres 2 on the top, 2 on the bottom. The post canines shape varies depending on the diet. Molars are at the far back and they have a different shape than the premolars. The last 3 types of teeth can do the same thing, but its shape dependant. We start in the middle and we work out. If we are talking about one on the left, it would be i^1 left. Phocids have a larger range in teeth number. Tusks are the upper canines that have grown.
