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Homeostasis
Homeostasis
The maintenance of a stable internal environment (body temperature) within an organism
Behavioral Adaptations to Maintain Homeostasis
panting molting
How do Humans Maintain
Homeostasis?
Diurnal
An organism’s behavior characterized by activity during the day and sleeping at night.
Diurnal animals
Nocturnal
An organism’s behavior characterized by activity during the night and sleeping during the day.
Traits include: sensitive vision (usually large eyes, sensitive hearing, sensitive smell)
Nocturnal AnimalsTarsier (tar-sea-er)
Aardvark
Endotherm
Animals that actively maintain a stable body temperature by generating heat
Humans, birds and mammals
“Warm-blooded”
Ectotherm
Animals whose body temperature changes with their environment
Most animals: reptiles, fish, insects
“Cold-blooded”
How to stay Warm/Cool?
Endotherm:
Maintain internal temperature
Burn a lot of calories doing this
Need fur/fat/shelter to stay warm
Need water/mud/cold weather to stay cool
Ectotherm:
Change temperature with environment
Change position or location based on outside temperature
Much more behavioral ways to maintain
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