CAS BI 107 Lecture Notes - Lecture 2: Color Vision, Natural Experiment, Ethology
4 Jan 2017
School
Department
Course
Professor
Document Summary
Sodium important to physiological processes and fat is rich in calories: these things were also rare in ancestral hominid diets so developed ways to detect. Clicker: what is the adaptive value of eating spices: this behavior has no adaptive value, spices stimulate nerve cell growth, spices increase fertility, spices are antimicrobial. Note there have not been studies that support answers b and c but that does not mean they are definitely not correct! Traniello challenges you to go out and do the research someday to see if there may be a correlation. At first, you would think it is intuitive because bright array of flowers in nature. People hypothesized that they could see color but there had really been no appropriate studies to show. Then we see two different scientists take two different approaches to address the question: carl von hess: very well-known scientist at the time, does lab work.
