'Mating success' diaporamas de présentation

BIOE 109 Summer 2009 Lecture 9- Part I Sexual selection

BIOE 109 Summer 2009 Lecture 9- Part I Sexual selection. Sexual dimorphism is very common in nature. What is sexual selection?. What is sexual selection? Natural Selection : Differential reproductive success due to variation among individuals in survival and reproduction.

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BIO 102 Sexual Selection

BIO 102 Sexual Selection. Sexual dimorphism is very common in nature. What is sexual selection?. What is sexual selection? Natural Selection : Differential reproductive success due to variation among individuals in survival and reproduction. What is sexual selection?

1.05k views • 81 slides

Targets Above The Level of The Individual

Targets Above The Level of The Individual. These two components are inherently a phenotype not of An individual, but a pair of individuals in a sexual population. DNA encodes information that interacts with the environment to influence phenotype.

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Effects of Artificial Light: - Orientation and Attraction/Repulsion - Reproduction - Communication - Competition - Preda

Summary Ecological Consequences of Artificial Night Lighting Text based on:: Catherine Rich, Travis Longcore, Editors Island Press, 2006 ISBN 1-55963-129-5 Images: Google Image Search.

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Mating Systems in Birds III: Polygyny , Leks (Part A)

Mating Systems in Birds III: Polygyny , Leks (Part A). Acrocephalus palustris, Marsh warbler. JodyLee Estrada Duek, Ph.D. With material from Dr. Gary Ritchison Dr. Robert Payne http://people.eku.edu/ritchisong/matingsystems.html http://elibrary.unm.edu/sora/om/om033.pdf.

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Evolution

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Why are equally-sized gametes so rare? The instability of isogamy and the cost of anisogamy

http://risk.kan.ynu.ac.jp/matsuda/2005/050720Wien.ppt. Why are equally-sized gametes so rare? The instability of isogamy and the cost of anisogamy. Matsuda, H. & Abrams, P.A. (1999) Evolutionary Ecology Research 1:769-784 + unpublished study Hiroyuki Matsuda

378 views • 21 slides

Annual Reproductive Success = Fertilization Success X Offspring Survival

Annual Reproductive Success = Fertilization Success X Offspring Survival. Male. Female. Previous difficulty in assigning paternity. Previous work on mammalian male reproductive success. Large mammals Pronounced sexual dimorphism (size and weaponry) Harem polygyny.

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By: Agata Janiszewska, Samantha Godfrey, and Jessica Marquez

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