Biologist Zing Yang Kuo (1961) demonstrated that a cat that had been raised from birth with a rat in the same cage would attack neither that specific rat nor other rats. This research suggests that
a. conflict over scarce resources contributes to aggression.
b. aggression is a learned response.
c. aggressive behavior is not instinctive.
d. aggressive instincts can be modified through experience.
Question 2
Evolutionary explanations for behavior are controversial for several reasons. Nonetheless, how true are the evolutionary explanations for aggression?
a. Experiments have been conducted, so they are proven facts.
b. The theory has been supported by substantial experimental research.
c. All the research is correlational, so they are speculations.
d. There is no data to support evolutionary explanations, so they have been disproven.
The human birth process as an example of positive feedback.
Schmidt-Nielsen and coworkers demonstrated the route that air travels in the avian (ostrich) lung.
The birth weight of human infants is tightly constrained by natural selection.
How did you give birth? C section vs. Normal Delivery
The Stages of Labor and Birth in a Vaginal Delivery
Post-term birth rates, by province/territory, Canada