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What is the study of behavioral ecology?
- - How animal behavior is controlled
- - How behavior develops, evolves,, & contributes to survival & reproductive success
What 4 questions are asked in the study of behavioral ecology?
1. Causation: what is the mechanistic basis of the behavior,, including chemical,, anatomical & physiological mechanisms?
2. Development: How does development of the animal,, from zygote to mature individual influence the behavior?
3. Function: How does the behavior contribute to survival and reproduction (fitness)?
4. Evolution: What is the evolutionary history of the behavior?
Contrast proximate and ultimate causes of behavior.
- Proximate, or “how,” questions about behavior.
- Focus on immediate stimulus & mechanism for behavior
- Includes: environmental stimuli and genetic, physiological & anatomical mechanisms
- Ultimate, or “why,” questions about behavior - Focuses on evolutionary significance of a behavior
- - Involves how behavior contributes to survival & reproduction
Give examples of each for the following behaviors:
1. fixed action pattern,
1. Fixed Action Pattern “unlearned behavior” Behavioral Rhythms.
- behavior affected by daily circadian rhythm (rest & activity)
- Seasonal cues affect behavior (reproduction & migration due to Daylight/darkness or lunar cycle)