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3 Cards in this Set
- Front
- Back
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What factor? How did the bird acquire red plummage? How does this behaviour develop over time? |
PROXIMATE: DEVELOPMENT AND CAUSATION male birds seek out catenoid food while females seek out calorie food |
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What factor? Why does male seek out cartenoid food? |
ULTIMATE: FUNCTION males with brighter plummage much more likely to get a mate reproductive function |
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How is the plummage function related to natural selection? |
ULTIMATE: EVOLUTIONARY bright plummage males recover from pathogens quicker, better parental care, better foragers so all produce offspring with these qualities |
