2.4 Adaptation to different diets Flashcards
1
Q
why is the gut of the herbivor longer than that of a carnivore
A
- cellulose/plant material is much more difficult to digest
2
Q
what are the 4 chambers of a cow’s stomach?
A
- rumen
- reticulum
- omasum
- abomasum
3
Q
what occurs in the rumen
A
lots of cellulase = breaks down cellulose
4
Q
what occurs in the reticulum
A
regurgitate to chew again
5
Q
what occurs in omasum
A
passes through little sieve
6
Q
what occurs in the abomasum
A
pepsin
7
Q
why is food(clud) regurgitated and chewed again
A
to increase surface area
8
Q
how does food pass through a rodents gut twice
A
faeces are eaten
9
Q
why do rodents eat their faeces again
A
- recover nutrients usually lost with faeces
10
Q
A