Animal Model correct answers Using animals to investigate biological principles
Naturalistic Fallacy correct answers The idea that what is natural is good and/or inevitable
Reproduction success correct answers Number of offspring an individual has (currency of
success)
Proximate level of causation correct answers Immediate triggers
Ultimate level of causation correct answers Always concerns reproductive success
Sociobiology controversy correct answers Belief some behaviours are solely caused by
biological/genetic factors. Idea that nature trumps nurture.
2 levels of potential differences correct answers Body form and behaviour
Secondary sexual characteristics correct answers Traits that vary between the sexes but not
necessary for physical act of reproduction
Puzzling features of secondary sexual characteristics correct answers Costly, not always
helpful for survival
Mechanisms of sexual reproduction correct answers Intrasexual competition and intersexual
competition
Intrasexual competition correct answers Members of one sex can successfully out-compete
members of their own sex
Intersexual selection correct answers Some secondary sexual characteristics evolved because
members of one sex prefer them in members of the other sex
T/F Sexual selection acts the same on males and females correct answers False
Intrasexual selection is more common in correct answers Males
Intersexual selection is more common in correct answers Females
Parental investment correct answers Any investment in an individual offspring that increases
offsprings chance of survival at cost of other offspring
High-Female Investment correct answers Investment generally higher than males in terms of
anisogamy, pregnancy, and post-birth care
Anisogamy correct answers Reproduction by union of 2 different gametes
Higher-Male Investment correct answers Females show characteristics of low investors,
males show characteristics of high investors