Animal behavior
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Animal Behavior. Behavior is. What an animal does and how it does it A response to a stimulus A stimulus is a signal. The most important thing for studying behavior is observation. Ruffs. Philomachus pugnax Migrate between Russia/Scandinavia and Southern Africa. Observations:.

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Animal Behavior

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Animal Behavior


Behavior is

  • What an animal does and how it does it

  • A response to a stimulus

    • A stimulus is a signal


  • The most important thing for studying behavior is observation


Ruffs

  • Philomachuspugnax

  • Migrate between Russia/Scandinavia and Southern Africa


Observations:

  • Jot down notes of anything interesting you see

  • Try to make good observations

  • Write down any questions you may have


Sexual Dimorphism

  • Di = 2, Morph = Shape

  • Sexual Dimorphism = Males and females have different shapes


Sexual Selection

  • One sex (usually female) selects mates based upon appearance

  • Being showy leads to having more mates


Altruism

  • Altruism is doing good, helping others at the expense of yourself

  • Can natural selection explain altruism?


The Prisoner’s Dilemma

  • Two criminals have been arrested for bank robbery

  • The police do not have enough evidence for a bank robbery conviction, but do have enough for reckless endangerment


  • The criminals are split up and offered the following option:

    • If A and B both snitch, they each serve 2 years

    • If A snitches and B stays quiet, A goes free and B serves 3 years

    • If B snitches and A stays quiet, B goes free and A serves 3 years

    • If both remain silent both will serve 1 year for reckless endangerment


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