How does sexual selection influence animal behavior?. A (male) sage grouse. 6/10/08: Reproduction: Sexual Selection . Lecture objectives: Be able to define sexual selection and use the theory to generate hypotheses and predictionsBy francine
NATURAL SELECTION. The scientifically identified method explaining how evolution happens. My Students Are Comedians. Types of Selection Processes. What is a population? What would be some pressures that could develop upon a population? With such pressures what could happen to a population?By nellie
Behavioral Biology Chapter 54. Approaches. Behavior: the way an animal responds to stimulus in its environment Proximate causation :“how” of behavior Hormones Impulse of nerve signal Ultimate causation: “why” of behavior -influence on reproductive success or survival.By noah
Reproductive Strategies. vs. Three types of comparisons: across species within species/ within a sex (alternative mating strategies). Reproductive Strategies.By olympe
Darwin and Wallace (1858) Theory of adaptive radiation Studied finches on Galapagos Islands Different size and shape of beak relates to different foods. Beaks adapted to eat different types of leaves, worms, seeds etc. Embryonic development of many species is similarBy hada
Darwin’s Puzzle: Why are Males and Females Different?. Darwin, C. 1871. The Descent of Man and Selection in Relation to Sex . 1st ed., Murray, London. Parental Investment and Sexual Selection. Trivers 1972. Assumption.By lalasa
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