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Homeostasis

Homeostasis. Homeostasis. The maintenance of a stable internal environment within an organism. Behavioral adaptations to maintain?. molting. panting. How do we maintain?. Humans? . Why do we need to do these things? (answer to come!). Diurnal.

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Homeostasis

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  1. Homeostasis

  2. Homeostasis • The maintenance of a stable internal environment within an organism

  3. Behavioral adaptations to maintain? molting panting

  4. How do we maintain? • Humans? Why do we need to do these things? (answer to come!)

  5. Diurnal • An organism’s behavior characterized by activity during the day and sleeping at night.

  6. Diurnal animals

  7. 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)

  8. Nocturnal Animals Tarsier (tar-sea-er) Aardvark

  9. Endotherm • Animals that actively maintain a stable body temperature by generating heat • Humans, birds and mammals • “Warm-blooded”

  10. Ectotherm • Animals whose body temperature changes with their environment • Most animals: reptiles, fish, insects • “Cold-blooded”

  11. How to stay Warm/Cool? Ectotherm: • Change temperature with environment • Change position or location based on outside temperature • Much more behavioral ways to maintain 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

  12. What am I? (endo or ecto –therm?)

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