Lecture 34 Evolution & Domestication - Cats Flashcards
Cats are in the order ___ and family ___
Carnivora > Felidae
Two subfamilies of felids are:
- Pantherinae
- Felinae
Tigers, lions, jaguars, and leopards are in the group
Pantherinae < Felidae < Carnivora
Domestic cats, cougars, cheetahs, servals, lynxes, caracal, and ocelots are in the group
Felinae < Felidae < Carnivora
Cats have ___ claws
Protractable
Common ancestor of Pantherinae and Felinae is
Pseudaelurus
Extinct subfamily of Felidae is
Machairodontinae (saber-tooth cats)
Smilodon, Machairodus, and Homotherium are
3 genera of the extinct subfamily Machairodontinae
Wild felids are native to every continent except
Australia and Antarctica
Felids share a genetic anatomy that
Prevents them from tasting sweetness
Taste buds are
Receptors that bind proteins
Sweet receptors are made of
2 proteins encoded by 2 genes (TAS1R2 and TAS1R3)
In felids, TAS1R2 lacks
247 base pairs (ie. amino acids) causing the sweet receptor to not form
The tail of cats is between
1/3 to 1/2 the length of the body
Skull of cats is ___ and the muzzle is ___
Highly domed; short