Human Life Cycle and Reproduction
Boys become _____ before they have the physical appearance of men
fertile
Growth of female ______ continues after adolescent growth spurt, and is not mature until the age of _____
pelvis, 18
Adolescence is after the onset of _____ but before ______ maturity
puberty, maturity
During adolescence _____ maturity occurs
sexual
During the juvenile phase growth is ______
slow
Ancient society conditions are best reconstructed through _____, ______-______ groups
small, kin-related
Dobe !Kung San interbirth interval is _____ and they have a max of _____-_____ children
4, 5-7
Childhood is between ____ and ___ years
3, 7
Number of children per women is influenced by:
1) age at menarche 2) age at menopause 3) interbirth interval
Humans have two addition life phases:
1) childhood (between infancy and juvenile) 2) adolescence (between juvenile and maturity)
Four problems with using contemporary societies as models for human EEA:
1) live in economically marginal areas 2) fewer predators today 3) language and intellect has evolved 4) modern tools
With every older brother the chance of homosexuality increases by
1/3
Full reproductive maturity occurs ____ years after menarche
5
Male parenting effort adoption researcher
Anderson
Three researchers for mate preference
Schmitt- university students and partners Haselton and Buss- sexual intent and commitment
The ______ ____ _____ may be unique to Homo sapiens
adolescent growth spurt
Infancy is from _____ to ______
birth, weaning (0-3yrs)
Adolescence is followed by a ____ _____ not seen in other primates
growth spurt
Female adolescence includes a period of
infertility
Most mammals progress to adulthood without
intervening stages
Social animals also have a ________ phase between weaning and sexual maturity
juvenile
EEA is the _______, ______, and _______ conditions under which human evolved
social, ecological, technological