Class Notes Exam 3 Flashcards Correctly Answered Graded A+ 2024/2025

Sexual Selection: Evolutionary Theories {Ans: 1. direct benefits 2. Fisher's Runaway Process 3. Indicator Models (Hamilton's Good Genes Model; Zahavi's Handicap Model) 4. Genetic Compatibility 5. Sensory Bias}Hamilton-Zuk Hypothesis {Ans: - ornaments indicate how healthy a male is - each dot is individual bird families (positive correlation w/ brighter they are)}Estrogen {Ans: - strong inflammatory response}Sex Hormones {Ans: 1. testosterone 2. estrogen 3. progestins 4. glucocorticoids}Direct Benefits {Ans: - males that can "afford" to be showy if they have more resources}Testosterone {Ans: - immunosuppressive - remember past evidence - stimulate stress proteins & apoptosis factors}Sexual Dimorphism {Ans: males & females look different from each other}Fisher's Runaway Process {Ans: - based on female preference for a trait - "Sexy Son Hypothesis" - Willow Bird tails}Hamilton's Good Genes Model {Ans: - certain traits of males signal their overall genetic fitness - females choose showy traits because it suggests good genes - **symmetry}Mechanisms of Pathogenesis {Ans: 1. impairing host capacities 2. destruction of tissue 3. virulence factors 4. toxins 5. proteases 6. opportunistic infections}How does the parasite change the host? {Ans: 1. produce influencing molecules 2. make host produce these molecules 3.