Human Life History - Anthropology

Human Life History - Anthropology - o Humans gain weight at...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Anthropology 116 – Human Life History Human Life History Lineage specific effects o Body size o Growth rates o Fertility o Mortality Humans live to be about 70-80 years Variation in primate body size o Why is there such a range in body size o Throughout evolution humans have gotten larger Humans are the only ones with a childhood o Only concern is with growing o No other primate does this The idea of menopause o Most organism die after they are done reproducing Comparison between human and Chimpanzee life histories o Gestation period is nearly identical o Humans are born larger (bigger brains) o Humans wean infants earlier When babies start eating normal food – Gerber food, etc No Chimpanzee weaning food Mother can get pregnant again Lot of variation in this
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o Humans gain weight at about the same time after birth but grow for several more years Humans grow for several more years the childhood period o Humans are larger as adults Childhood slow constant growth o Mice have no childhood o Chimps have about a 1 year childhood moderate if any o Humans 9 years childhood for boys This is unique Hunter Gatherers o Sexual division of labor o Humans hunt big game Between 20 50 men are bringing back large numbers of calories for their group Women are not bringing back nearly as many calories as the men are o Chimps eat what they produce hunt/gather o Humans most food comes for other individuals...
View Full Document

Ask a homework question - tutors are online