ANTHR-140 Lecture Notes - Lecture 31: Diphyodont, Biological Anthropology, Heterodont
23 Sep 2020
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Document Summary
6 million years ago ancestors lived in a mosaic of environments, in the trees and on the savanna. Tackle this question from an evolutionary perspective. Primatology the study of the biology, behavior, ecology, and evolution of primate species. Pygmy marmosets are the smallest of the monkeys, they. How and why a mammal? grasp when they are born. Amniotic egg (reptilian) there is a shell around the egg for protection. Birds and mammals are warm blooded, active during the night (crocks can go 4 months with no food) Oxygen and nutrient motion to tissues are easily transferred through a four chambered heart. This allows mammals to create a vacuum. Breath and eat, use a straw/suckling (blow) Hair and fur (mammals exploit several ecosystems including the oceans) Sweat glands nitrogen expelling, excrete urea, sweat, water and heat. Sebaceous glands empties and injects grease into hair (protects against uv rays and water) Makes hair stand on ends in states of excitement.
