AP Biology: Animal Behavior

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Terms in this set (...)

behavior
what an animal does and how it does it
innate behavior
animal is born with it
fixed-action patterns
sequence of unlearned acts that are unchangeable and usually carried to completion
kinesis
random movement of animal in relation to stimulus
taxis
turning of animals' body relative to stimulus
+=towards
-=avoids
ex: geotaxis, phototaxis, chemotaxis
migration
regular, long-distance change in location
circadian rhythm
internal biological clock
signal
stimulus that causes change in behavior
pheromones
Chemical signals
Visual signals
Pros
Immediate

Cons
Direct line of sight
Light needed/clear path
Eyes can be deceived
Can be intercepted
Very quick
Tactile signals
Pros
Quick

Cons
Limited to direct contact
Cannot be used over distance
Acoustic/Auditory signals
Pros
Travel great distance
Does not require visibility
Can travel around objects

Cons
Metabolically costly
Electric signals
Pros
Fast
Does not require visibility

Cons
Only used by a couple fish/underwater
Chemical signals
Pros
long distance
last longer
"inexpensive" metabolically

Cons
can be carried away by wind
no immediate response
learned behavior
behaviors modified based on specific experience - develops through experience
habituation
loss of responsiveness to stimuli with little or no meaning
imprinting
learning and innate components, irreversible
social learning
learning by observing others
foraging
food obtaining behavior
sexual selection
seeking and attracting mates/choosing and competing for males
altruism
engaging in behavior that doesn't help you, but helps rest of population (selfless)