Mammalian digestive tracts

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Plant material is more difficult to digest, so <strong>digestive</strong> tract longer and more complex in herbivores
Problem: most E in leaves/grass not stored in cell contents, but locked up in structural carbohydrates like cellulose. No enzyme produced by mammals can digest cellulose. Solution: Some bacteria and protozoans can! House these in specialized compartments and let them do the work. Hindgut fermenters house symbionts primarily in caecum, foregut fermenters (ruminants) house them mainly in complex forestomach. Hindgut: many rodents, perissodactyls, rabbits, sirenians, hyraxes, elephants, some marsupials Foregut: artiodactyls, sloths, kangaroos
Page 1: Mammalian digestive tracts Mouth: m
Page 5 and 6: 3 basic patterns: Carnivores/insect
Page 7 and 8: Advantages of microbial fermentatio
Page 9 and 10: Hindgut fermenters process food abo
Page 11 and 12: Mammals are not just passive compon
Page 13 and 14: Thus, competitive advantage of pere
Page 15 and 16: • Exclosures for 40+ yrs • Sele
Page 17 and 18: Could note lots of other studies sh
Page 19 and 20: Kelp forests are rich, diverse mari
Page 21: OK, didn’t quite finish this one

Mammalian digestive tracts

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