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Lecture 34 (MT4)
Behavioral ecology
18
Biology
Undergraduate 1
05/08/2013

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Cards

Term
Behavioral ecologists study ___ and ___.
Definition

what behaviors animals exhibit

 

why they exhibit those behaviors

Term
Behaviors can be explained at the proximate and ultimate level. The proximate explanation involves ___, anatomy and hormones; the ultimate explanation involves ___ and why is it favored.
Definition

neurobiology

 

why it evolved

Term
Stereotypic (AKA fixed) action patterns are also called ___ (three other names beginning with "i").
Definition
innate, instinctive or inborn
Term
Stereotypical behaviors (AKA fixed, innate, instinctive or inborn) are often ___ specific. The stimuli that evoke these behaviors are called ___ or ___ stimuli. They also always go towards completion (even if the stimulis is removed). Examples of this are courtship displays in ducks and ___, web-building in spiders and egg-retrieval in ___.
Definition

species

 

releasers

 

sign

 

Drosophila

 

geese

 

 

Term
___ male courtship displays involve orienting, tapping, wing vibration, licking, attempted copulation and copulation.
Definition
Drosophila
Term
Gene "___" experiments involve identifying genes responsible for specific behaviors. The ___ gene in Drosophila controls courtship behavior. When spliced incorrectly in males, they walk around in lines.
Definition

knockout

 

fruitless

Term
Some behaviors are genetically and environmentally dependent. An example of this is when young ___ tap the ___ on male gulls' beaks to get them to regurgitate food.The releaser is the ___. In a study, it was found that the young gulls care about the spot being there, not the shape or color of the parent head.
Definition

gulls

 

red spots

 

red spot

 

Term
A proximate explanation involves genetics. When testosterone was placed into female songbirds, they ___.
Definition
sung courtship songs, despite the fact that they normally do not
Term
During the critical period of life, ___ takes place. This can cause a young animal to identify its ___ or learn its species song. Konrad ___ got your geese to imprint on him. This process also allows parents (specifically seen in ___) to identify their offspring.
Definition

imprinting

 

parent

 

Lorenz

 

penguins

Term
In studies, it has been shown that sparrows ___ (do/do not) learn songs of other species if not exposed to their own while a nestling. If a bird is deafened before beginning to sing, it ___ (will/will not) learn the song.
Definition

do not

 

will not

Term
Does selection result in a change in the population or an individual?
Definition
The population, it increases or decreases frequencies of gene alleles
Term
Species hybrids display courtship features from ___.
Definition
both of their parents combined
Term
Behavioral ecologists use the "___-___ approach" to determine optimal behavior. Disidvantages are thought about in terms of ___ cost, ___ cost and ___ cost.
Definition

cost-benefit

 

energetic

 

opportunity

 

risk

Term
Research has used the cost-benefit aproach to determine what an animal should eat to maximize fitness in the "___ theory."
Definition
foraging
Term
In sunfish eating water fleas, when the prey density is low, they tend to eat ___ sized fish more. If the prey density is medium, they tend to eat ___ and ___ sized fish and if it is high they eat ___ sized fish. Predictions using the ___ theory are close to actual results seen in the field.
Definition

all

 

medium 

 

large

 

large

 

foraging

Term
Orangutans live ___ (in social groups/solitarily). Bees live ___ (in social groups, solitarily).
Definition

solitarily

 

in social groups

Term
In a study examining goshawk hunting and pigeon group size, it was found the the larger the group of pigeons, the ___ the hawk was spotted and the ___ the hawk's attack success.
Definition

sooner

 

lower

Term
___ are a classic example of a species showing altruistic behavior. They delay their reproduction to help raise siblings.
Definition
Florida scrub jays
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