ANT203Y1 Lecture : Origins
Document Summary
Continental drift has led to environment shifts. depends on position of continents, different climates the position of the plates influenced the origin and evolution of primates. 65 millions years ago the earth"s surfaced looked a lot different than it does today. North america and europe were still attached ( they were once connected ) lush forests; ideal place for primates to evolve find primate fossils here. Hypothesis to explain primate origins: arboreal habitat. Unique primate characteristics evolved as a responses to an arboreal lifestyle. When arboreal and diurnal niches opened primates were able to take advantage because of their preexisting adaptations: angiosperm coevolution. Primate complex evolved in response to a dramatic diversification in fruit- bearing plants. Grasping: cling to branches while eating fruit. Vision: locating food in a 3d world. Which is correct? www. notesolution. com all could have been selective pressures on primate adaptations: there was an adaptive shift, we start seeing the general primate suite of characters approx.
