WebStudy with Quizlet and memorize flashcards containing terms like Mosaic Evolution, Expensive Tissue Hypothesis, Technology and more. WebWhat is the "expensive tissue hypothesis"? coined by Leslie aiello --> the brain is only 2% of our mass but takes up 20% of our energy. for our brains to be such an expensive tissue something else had to shrink and sike it was the gut

Anthropology Final Flashcards Quizlet

WebBased on the expensive tissue hypothesis, higher energy expenditure of vertebrates with larger brains has to balance out by following a similar decrease in other energetically consuming organs; in this case, its gut size. WebAug 25, 2014 · One widely accepted but hard-to-test theory is that children's brains consume so much energy that they divert glucose from the rest of the body, slowing growth. Now, a clever study of glucose uptake and body growth in children confirms this "expensive tissue" hypothesis. Previous studies have shown that our brains guzzle between 44% … skyline to the sea trail

UMN ANTH 1001 Final Exam Flashcards Quizlet

WebThe hypothesis that the need to track food resources led to big primate brains foraging Changes to this tract in the human body is one of the things that allowed for human vocal control supralaryngeal Females, not males, are the … WebExpensive tissue hypothesis Cost of maintaining a larger brain is offset by a smaller intestinal tract Carnivores Large brained and high quality diets Herbivores Small brained with low quality diets, needs large digestive tract Maternal energy hypothesis Brain size depends on allocation of maternal resources to fetal/postnatal development WebExpensive Tissue Hypothesis - Leslie Aiello and Peter Wheeler - organisms body produces only enough energy to run all components - each parts takes energy from reserves so must provide some adaptive advantage to be worth it - needed to balance body's energy needs with energy available - brain size dramatically increased sweater onesie newborn