3-10 - Thursday, March 10, 2011 Reproduction Reproductive...

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Reproduction Reproductive strategies - Social organizations o Exclusion, emigration, dominance, inhibition - Mate selection o Sexual dimorphism, female choice - Sexual behavior o Mating, seasonality, puberty, endocrinology, (hormones and behavior) - Gorillas and chimps ladies leave - Dominance alpha males o Even if alpha in room but cant get to female, beta won’t mate, but alpha gone, then will Seasonal breeding - Annual reproduction cycle - Births oriented to wet season Dry Rain Dry Rain Mating birth mating birth Pregnancy nursing pregnancy Seasonal polyestrous – if they don’t get pregnant at the time they need to, they won’t get pregnant until the next year - Will mate and can take 2 or 3 cycles, if miss – don’t get preggers still next year Lactational Amenorrhea – when actively nursing won’t cycle. When weaning off of nursing, will start cycling again, right about during mating season Ecological Zeitgebers Dry wet dry Mating birth mating
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3-10 - Thursday, March 10, 2011 Reproduction Reproductive...

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