Animal Behavior

What an animal does and how it does it A response to a stimulus 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

Jot down notes of anything interesting you see 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 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