Chapter 3 - Part 1 Flashcards
______ - fear of trying new foods
neophobia
Hypothesis that states that pregancy sickness might be an adaptive reaction to toxins present in food
Embryo Protection Hypothesis
Hypothesis that states that humans prefer fruit because of the sugar and ethanol content of ripe fruit in the ancestory times
Frugivory Byproduct hypothesis
Hypothesis that states that use of spices to kill micro-organisms and inhibit cell division was an adaptive trait
Antimicrobial Hypothesis
Hypothesis that states that bigger brains require more energy and can only evolve with corresponding reductions in other costly organs
- inverse relationship between brainsize and git length
Expensive-Tissue hypothesis
Hypothesis that states that addition of large game hunting was an important antecedent for human evoliton
- explains male coalitions; recriplocal altrusism; sexual division of labour; paternal investment in offspring; penetration into lenvirnments lacking botanicals
hunting hypothesis
Hypothesis that states that gaterhing was the primary impetus for emergence of modern humans
- stone tool use for gathering occured first, tool use for hunting came later
Gathering Hypothesis
Hypothesis that states that hunting supplements food for family; meat has concetrated calories that are easily transported; human males invest heavily in offspring; division of labour two exploit two food sources
Provisioning hypothesis
Hypothesis that states that hunting enhances social status in the group
- meat comes in large packets that spoil
- hunting success is variable
- males share meat with others
- receive meat from other hunters in future
receive sexual favours from women
show-off hypothesis
Women should outpreform men on ______ and _____ tasks
object memory; factual knowledge of plants
Men should outpreform women on _______ and ______ tasks
mental rotation; navigation
Women more likely to navigate using _________; men tend to navigate using _________ directions
Landmarks; Euclidian
Theory that suggests sex differences result from gender roles and socialization; predicts sex diferences will be smallest in more egalitarian countries
Social Role Theory
Hypothesis that states that humans have an emotional response to habitats that offer success in survival and reproduction
Savanna Hypothesis
Three stage process of habitat selection
- selection (exlpore or leave)
- information (resources & dangers)
- Exploitation (decide when to move on)