point down and are closer together while platyrrhines point outward. They also differ where catarrhines are usually larger in size. The teeth of catarrhines also differ from platyrrhines. A similarity between the two is they both have similar hands and body structure. An example of a catarrhines is an orangutan. An example of a platyrrhine is an owl monkey. 3. Which group of primates was easiest to classify? Why? Great apes were the easiest to classify. Their features and body types were very distinctive. 4. Which individual primate was the hardest? Why? The Pygmy marmoset was the hardest to classify. It was most likely because of its small size. 5. You find a species you think might be a hominoid. Outline the steps you should take to identify this species. To identify a species, one should: examine its physical characteristics such as eyes, height, stature, hands, feet and nose and if it has hair. One should look at its motor functions like if it walks on two legs or four. One should also look at the environment the species was found in and see if it looks similar to other hominoid to draw comparison and conclude with identifying the species.
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