L48 Anthro 150A Lecture Notes - Lecture 20: Colobinae, Color Vision, Celery
Document Summary
~most primates are diurnal, so most primate fruits are visually attractive (bright-colored and easy to see) ~primates have color vision; use color clue to find perfect fruit. *in the wild leaves, stalks of softer plants. *not much energy in these foods, but easily available. *built to be eaten not hard to digest. *plants want primates to eat fruit because primates become seed dispersers. Amount of calories per ounce in a given food type. Most primate diets based on leaves and fruits. *for every doubling of body size (every 100% increase), energy only needs to increase 75% Diet quality (how energy rich your typical foods are) *exception to trend is humans have fairly high quality diets compared to our body mass. *diet quality is also inversely proportional to diet quality. *exception to trend is colobine monkeys sacculated stomachs that help them digest seeds and leaves. ~have increased diet quality over the years because of meat.
