Lecture 13 Part 4

Question 1

Coprophagy-

Answer 1

behavior of eating feces

Question 2

Coprophagy: occurs in many

Answer 2

rodents, rabbits, hares

Question 3

Coprophagy: Feces eaten come from

Answer 3

cecum only-eliminated in morning

Question 4

Coprophagy: Why? Reingest. for max…

Answer 4

nutr. capture

Question 5

Coprophagy: Why? Transt. neonates from..

Answer 5

milk to adult diet

Question 6

Chem. Digst.: breakdown of macromolecul. into

Answer 6

amino acids, sugars, fatty acids

Question 7

Chem. Digst.: Many herbvr. rely on cellulose as

Answer 7

main source of carbs but cannot digest it

Question 8

Symbiotic microorg. ferm. cellulose so herbr. can…

Answer 8

break it down

Question 9

Foregut Fermt. have 4 spec. stomachs:

Answer 9

Rumen, Reticulum, Omasum, Abomasum. Ex: cow, deer

Question 10

Fermentation chambers before

Answer 10

SI

Question 11

Fermentation produces

Answer 11

methane as by product

Question 12

Rumen-holding/ferm. sac; food is…

Answer 12

regurgitated, remasticated, swallowed again-rumination

Question 13

Fermt. Advj.: Allows rechewing/more compl.

Answer 13

breakdown of food
Effic. at extrct. most nutr.

Question 14

Fermt. Advg.: End prodcts. of dig. produc. in..

Answer 14

anter. part of canal, ready for uptake in SI
Destroys potential plant toxins

Question 15

Fermt. Disadvg.: Its slow; many necess. nutr. are disposed during

Answer 15

ferment. before absorbed in SI

Question 16

Pharynx-moves food from mouth to

Answer 16

esophagus