Behavior Flashcards
paedomorphism
domesticated dogs start retain puppy like traits and appearances, ex big eyes, brachycephalic breeds
behavorial differences in domesticated dogs
nonseasonal breeders
reduced parental care
hypersocialbility
reduced predatory sequence
domestication syndrome hypothesis and dogs
selecting for behavior led to changes in traits that make dogs easier to keep in confinement
ex. floppy ears, piebald, shorter muzzle, curly tail
the wolf evolved to a dog by __
natural selection
dog evolved to specific breeds due to __
artificial selection
t/f: dogs have the largest morphological variation of any species
T
siberian domestic fox experiment
followed two lineages of foxes (aggressive v non) and saw changes within 40 generations
what are sensitive periods?
when animal is most prone to learning - more likely to retain information
t/f: even hand reared, captive wolves are still wolves
T
dogs and wolves develop sensory abilities at the __ age while wolves are able to walk ___ than dogs
same, 2 weeks earlier
__ is the first sense to develop
olfaction
onset of fear in dogs is __ and _ _in wolves
49 days, 19 days
breeds have ___ times of fear expression which indicated different levels of __ needed for different breeds
varying, socialization
when is the socialization period?
3-14 weeks but can extend to 16 weeks
the fear period is __weeks
8-11
