Slide 111.6 Patterns in Evolution KEY CONCEPT Evolution occurs in patterns. Slide 2 11.6 Patterns in Evolution Evolution through natural selection is not random. Natural…

Slide 1 Slide 2 Evolution and the History of Life MLK Fall 2005 M.Elizabethwww.marric.us/teaching Slide 3 Chapter 8.1 Change Over Time –Differences Among Organisms –Do…

Slide 111.3 Other Mechanisms of Evolution KEY CONCEPT Natural selection is not the only mechanism through which populations evolve. Slide 2 11.3 Other Mechanisms of Evolution…

Slide 1THE FIVE FACTORS OF EVOLUTION Slide 2 1. Genetic drift is a change in allele frequencies due to chance.  Genetic drift causes a loss of genetic diversity.  It…

1.KEY CONCEPTNatural selection is not the only mechanism through which populations evolve.2. Gene flow is the movement of alleles between populations.Gene flow occurs when…

1.How Populations Evolve2. How Populations EvolveWhen Mendel’s work was rediscovered in 1900, biologists began to study how the frequency of alleles changes in a population.Specifically,…

1. Lecture 11: Speciation & Reproductive Isolation Covers Chapter 16 & 17 2. • Evolution is not a property of individuals, but of populations…in other words,…

1. Speciation 300 BIOLOGY GB 2014 2. Introduction  Complete the Moodle pretopic Quiz: http://learningon.theloop.school.nz/moodle/mod/quiz/view.php?id=68826  http://www.pbs.org/wgbh/evolution/educators/teachstuds/svideos.html…

Slide 1 Standard Bf : The student will demonstrate an understanding of the interrelationships among organisms and the biotic and abiotic indicators of their environments.…

Slide 1 CONSERVATION GENETICS READINGS: FREEMAN, 2005 Chapter 52 1206-1210 Chapter 54 Pages 1272-1277 Slide 2 GENETIC DIVERSITY The diversity of life is fundamentally genetic.…