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Chapter 53

Chapter 53

Chapter 53. Population Ecology. Overview. Population ecology is the study of populations in relation to environment, including environmental influences on density and distribution, age structure, and population size.

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628 views • 52 slides
Population Ecology

Population Ecology

Population Ecology. Chapter 53. Populations. Population ecology is the study of populations in relation to the environment Includes environmental influences on population density and distribution, age structure, and variations in population size

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843 views • 50 slides
CHAPTER 23

CHAPTER 23

CHAPTER 23. HOW POPULATIONS EVOLVE. OVERVIEW. Natural selection acts on individuals , but only populations evolve . Genetic variations in populations contribute to evolution.

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The normal distribution

The normal distribution

The normal distribution. Binomial distribution is discrete events, (infected, not infected) The normal distribution is a probability density function for a continuous variable, and is represented by a continuous curve. Density = relative frequency of varites on the Y (horizontal) axis.

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466 views • 26 slides
POPULATIONS

POPULATIONS

POPULATIONS. POPULATIONS. Population -all of the individuals of a species that live together in one place at one time. Demography -the statistical study of populations. It is used to predict how the size of a population will change. KEY FEATURES OF POPULATIONS. 1. Population size

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Continuous Coalescent Model

Continuous Coalescent Model

Continuous Coalescent Model. The continuous coalescent lends itself to generative models Algorithm to construct a plausible genealogy for n genes

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274 views • 12 slides
INTRODUCTION

INTRODUCTION

A metapopulation simulation including spatial heterogeneity, among and between patch heterogeneity Travis J. Lawrence Department of Biological Science, California State University, Sacramento Sacramento, CA 95819. INTRODUCTION

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