Companion AniSci Exam #1

Explain heterosis

the crossing of 2 varieties or species to make an offspring stronger than both parents

Explain habituation

frequent exposure to stimuli’s that does not result in pain, usually leads to the animal becoming unresponsive to this stimulus

Explain operant or instrumental learning

learning based on the consequences (positive/negative reinforcement) (positive/negative punishment)

What did the AKC (American Kennel Club) do?

recognized breed groups

Sporting Group

(Labrador Retriever, Golden Retriever) Energetic, hunters

Hounds

(Beagle, Greyhound) scent/sight tracking

Working dogs

(Boxer, Great Dane) guarding, pulling, protection

Terriers

(Jack Russell Terrier) feisty, bred for vermin control

Toy Dogs

(Chihuahua, Pomeranian) companionship, small size

Non-Sporting Dogs

(Bulldog, Dalmatian) diverse traits

Herding Dogs

(Border Collie, German Shepherd) control livestock