EXE 9 Primate Classification Date f the class is so large that stations will be

Question

EXE 9 Primate Classification Date f the class is so large that stations will be crowded, and there are enough Materials Needed specimens, stations may be duplicated (e.g, two Station 1s, etcl. Station 1: Strepsirhine or haplorhine? Look at the specimens in your lab and note the form of the listed features Station 1: At least four primate shulls suggested: two strepsithines and two haplorhined labeled A through D in the table below, then place the specimens into Haplorhin). In the absence of l ? Station 2: New Verld monkey orim suborders (Strepsichini or lab specimens, see Figures A through D below and Old World monkey or ape cranium set on side to see ear region) labeled A and 8 mandibular symphysis? Gs the Station 3 Total of five haplorhine skus ncluding at least one of each of the three infraonders (tarsier, platyrhine catathine) labeled A through E Cranium size Toothcomb (braincase) mandible one enclosed orbit? relative to face incisors jut Specimen bone or two?)" Station 4 Three nonhuman primate skulls labeled A through C Station S: One Old World monkey mandible and one ape mandibe abeled A and B Note The above items can be subentuted upplemented with figures in the lab manual 1 Which of the specimens f any, are strepsirhines? 2 Which of the specimens are haplorhines? 257 Chapter 9 Biological Classification and the Order Primates 243 Chapter 9 Biological Classification and the Order Primates

Explanation / Answer

Fused mandibular symphysis Fully enclosed orbit Cranium size Toothcomb A fused enclosed smaller absent B not fused enclosed much larger present C fused enclosed slightly larger absent D not fused enclosed larger present

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