ANT 203 Lab 2

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University of Toronto, Mississauga *

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203

Subject

Anthropology

Date

Apr 3, 2024

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pdf

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First and last name: _____________________ ANT 203: Biological Anthropology Laboratory Exercise 2 Primate Anatomy I /50 marks total, worth 5% This laboratory exercise is in three parts. You need to print this laboratory exercise document, bring it to your scheduled lab section, and complete the exercises and questions using the space provided during your lab period, then hand in the completed worksheet to your TA at the end of your lab period. All labs are due and should be submitted in hard copy at the end of the scheduled lab session. Late lab assignments will not be accepted, with no exceptions. Of the 12 scheduled labs, 8 lab assignments will be graded. Students will not know which labs will be graded until the end of each lab session. Purpose: This lab will teach you to identify members of various primate taxa and to tell them apart based on morphological features. Each station has different specimens set up, and you will visit three different stations in small groups. You are welcome to talk to members of your group to work through possible answers, but should complete the labs on your own. You may refer to the Primate Anatomy supplementary materials handout. Total: /50 marks Station 1: Primate or non-primate?, /14 marks The purpose of station 1 is to teach you to discriminate between primate and non-primate crania. The following questions will help you determine which specimen is a primate. /15 marks Specimen 1 Specimen 2 Are eye orbits forward facing or do they project towards the side of the head? Is there a postorbital bar or plate, or nothing? Which has a longer snout relative to size of skull? How big is the brain case relative to the size of the entire skull? Primate or non- primate?

Name ___________________, ANT 203, Lab 2, page 2 Note that some primate features can be found in nonprimates, but you never see the whole “complex” or collection of primate features in a nonprimate. 1. Which specimen is the primate? Name two primate traits displayed in this specimen. /2 marks 2. Which specimen is the non-primate? With reference to two traits, explain why this specimen is not a primate. /3 marks Station 2: Nocturnal or diurnal?, /10 marks The purpose of Station 2 is to teach you to recognize the features of nocturnal vs. diurnal primates. Using the specimens provided, complete the table below. In the table, identify whether the primate is nocturnal or diurnal and list a morphological trait that helped you make the determination. /4 marks total Specimen 1 Specimen 2 Nocturnal or diurnal? Trait

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