ETHOLOGY - the study of animal behavior
A BEHAVIOR is an ACTION (or series of actions) performed in response to a STIMULUS
Studies include
HOW a behavior is triggered
WHY a behavior exists (what advantage)
NATURAL SELECTION - process by which populations change in response to environment
Natural selection favors traits - or behaviors - that improve the likelihood of survival.
Examples: Burying food
Babies cry
Wolves howl What else?
GENETICALLY BASED BEHAVIOR - also called INNATE BEHAVIOR
Animals born with the behavior
Sometime called instincts
Reflexive behavior - grasping reflex
FIXED ACTION PATTERN BEHAVIOR
-- Type of innate behavior, occurs the same every time. Ex. Web spinning and
nest building.
Evidence for Genetic Basis of Behavior
-- See hybrid lovebirds (page 836)
LEARNING - the development of behaviors through experience
Conditioning (Pavlov's Dogs)
Trial and Error (Skinner Box)
Reasoning - using past experiences to solve new problems
*Only humans and some primates are capable of reasoning
IMPRINTING - learning that occurs during a specific period - Konrad Lorenz
Types of Behavior
Parental Care
Courtship Behavior
Migratory Behavior Territorial Behavior
Foraging Behavior
Defensive Behavior