BIOL 102 Study Guide - Thumb, Potto, Simian
Document Summary
They give birth to live young, no egg. Large brains and opposable thumbs and toes, sensitive to touch, limber joints, flexible digits, depth. What are the general characteristics of primates? perception, grasping hands and feet. New world, old world, greater apes (hominoids and homonids: more ancient primates (2 slides) Name and describe the most ancient groups of primates, including any particular characteristics or species and their geographic ranges. Lemur (only in madagascar), potto, and loris: arboreal, opposable thumb, small, (ring-tailed is 22 lbs and ground dwelling: anthropoids (6 slides) Large brain, rely more on vision than smell, fully opposable thumb. Nostrils point down, and some aren"t arboreal-old world new world- prehensile tail nostrils point outward and are all arboreal. Name the first three and give any particular characteristics we discussed, including geographic range. Plan ahead, sign language, basic tools, 98-99% similar dna. Name, describe and cite evidence (and sources of evidence) for the three major evolutionary trends in hominid evolution.
