1. Chapter 25: EvolutionBiology: Mrs. Neistadt 2. Changes Over Time: *Most species change over time. Thisslow, gradual change is calledEvolution____________________.…

Slide 1Do Now 1.Come in quietly 2.Copy the objective (To learn about Evolution) 3.Relax and wait until class starts 4.And please dont put the textbooks that are on your desks…

Slide 1The Evolution of Populations Slide 2 Variations Genetic Variations Differences in individuals based on DNA or genes For example different hair color through DNA differences…

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…

1.Lesson Overview 17.2 Evolution as Genetic Change in Populations2. How Natural Selection Works How does natural selection affect single-gene and polygenic traits? 3. How…

1. SPECIATIONA species is a population oforganisms consisting of similarindividuals which can breedtogether and produce fertileoffspring.The process by which new speciesdevelop…

Slide 1 NATURAL SELECTION SC.912.L.15.13 Additional Site for EOC Help: http://www.ecsd- fl.schoolloop.com/b iologyeocreview Slide 2 NATURAL SELECTION WHAT YOU NEED TO KNOW…

Slide 1Biology 15.2 How Populations Evolve How Populations Evolve Slide 2  When Mendel’s work was rediscovered in 1900, biologists began to study how the frequency of…

Slide 1 Evolution of Populations Slide 2 Genes and Variation  Gene Pool  Contains all the alleles of all the genes in a population Slide 3 Genes and Variation  Allele…

Slide 1 Microevolution Changing Allele Frequencies Slide 2 Evolution Evolution is defined as a change in the inherited characteristics of biological populations over successive…