Card Set Information
How long have humans been here?
4 million years
What animal was the first to be domesticated and how long ago?
15,000 years ago
Why were animals domesticated?
to serve humans
humans control breeding, care, and feeding of animals
What type of change is domestication?
biological, gene pool change
How do we create a biological change?
change in stimulus threshold
decrease in aggression
decrease in territoriality
abnormal behavior patterns
more production oriented
What kind of changes take place with a biological change?
increased milk production
many breeds produced
Which types of animals are have been the most domesticated?
artiodactyls (even toed hooves - cows, sheep, pigs, etc)
Define wild animal.
Define feral animal.
domesticated, but reverted to wild state
Define tame animal.
no fear of humans (may be domesticated or wild)
What traits lead to domestication?
precocious young (born eyes open, walking)
imprinting occurs (young identifies with mother and species)
short flight distance
What do we use domesticated animals for?
What is taxonomy?
a science of classifying animals
What is the order of taxonomy?
genus & species
What are some artiodactlya families?
What are equidae?
What are canidae?
dogs, wolves, foxes
What are felidae?
What are mustelidae?
What are muridae?
Are hybrid animals usually sterile?
What are hybrid animals?
mixing different species