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Unformatted text preview: maladaptive for brain-heavier, takes more energy to sustain it, longer pregnancy babies are born with 1.4 of brain developed age 10-not even at 75% long time of dependency-learn social, survival behaviors dentition-mammals are very distinct-mammals are heterodonts-reptiles are homodont look at dental formula therefore, mammals because they have more teeth can eat more things mammals have a constant body temperature-homeothermic humans are endothermic-our metabolic processes generate heat 3 Types of Mammals monotremes-animals that lay eggs-platypus, marsupials-give birth to live young, but they aren’t developed-pouch to finish growing placental mammals-humans-womb adaptive radiation-only works if theres potential for adaptation-if organism is too specialized –they don’t have very good adaptive potential and there must be right circumstances to work for them-specialized traits will develop later...
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This note was uploaded on 04/15/2011 for the course ANTHROPOLO 200 taught by Professor V during the Fall '10 term at Saint Louis.
- Fall '10
- Biological Anthropology