'Red queen hypothesis' diaporamas de présentation

Outline

Outline. Introduction to Ecology Evolution and Natural Selection Physiological Ecology Behavioural Ecology. Behavioural Ecology. Behavioural Ecology. The study of ecological and evolutionary processes that explain the occurrence and adaptive function of behaviour

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Lecture 3: Natural Selection

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Lecture 3: Natural Selection

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Let Ms. Wood Tell you The Story of the Frigeafs

Do NOW: How are these animals related? What do we mean when we say different organisms are related? (Talk in your group). Let Ms. Wood Tell you The Story of the Frigeafs. Frigeaf Story Questions What are some variations we saw in this story?

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Beating the Red Queen: How can evolution help us define (and refine) research for the farm of the future?

Beating the Red Queen: How can evolution help us define (and refine) research for the farm of the future?. Bruce Walsh, jbwalsh@u.arizona.edu University of Arizona Depts. of Ecology & Evolutionary Biology, Molecular & Cellular Biology, Plant Sciences, Animal Sciences,

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Adaptive Significance of Sex

Adaptive Significance of Sex. By: Jordan Cohen, Amanda Blankinship, Kaitlan Hughes. Sex is Silly. Why reproduce sexually? Energy expensive Hazardous Unforeseen complications Introduction of diseases. Asexuality is Cool. Benefits of reproducing asexually

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Life and Extinction on Earth

Life and Extinction on Earth. In ~ 1.5 hrs!. Life and Extinction on Earth. (1) Diversity of life. (2) Geologic Time. Diversity over time: Marine organisms. From: Sepkoski and Raup, 1982; Erwin et al., 1987 . On Geologic Time.

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The Evolution of Sex

The Evolution of Sex Many groups of organisms, notably the majority of animals and plants, reproduce sexually. Why?. Bdelloid rotifer. Dandelion Taraxacum officinale. Two -fold Cost of Sex. f =2. Sexual Population. Asexual Population.

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Reproduction: The evolution of sex and gender differences

Reproduction: The evolution of sex and gender differences. ZOL 313 June 5, 2008. Reproduction: The evolution of sex and gender differences. Objectives: Understand and be able to explain potential costs and benefits of sexual reproduction .

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Sex and Sex Ratio

Sex and Sex Ratio. What is sex? Why sex? Mechanisms of sex (gender) determination Sex (gender) ratio allocation. What is sex?. Genetic recombination What determines gender?. Why Sex? The Costs. Cost of males - could produce twice as many females

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Report from the Vice President for Research

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Animal Reproduction

Animal Reproduction. Chapter 46. Goals:. Big Idea #1: Evolution Big Ideas #2 & 4: Organization of the human reproductive system: Organ /Organ system level Cellular level Homeostasis and Feedback. Do all animals reproduce sexually?. All animals have a sexual life cycle.

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Contamination of Information Ecosystems

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