Slide 123 Evolution of Populations The Smallest Unit of Evolution One misconception is that organisms evolve during their lifetimes Natural selection acts on individuals,…

Slide 1 Forces that Drive Evolution Mutation, Natural Selection, Genetic Drift and Gene Flow Slide 2 Forces that Drive Evolution Objectives: Understand that evolution is…

Slide 1 Evidence of Evolution Slide 2 Voyage of the Beagle Charles Darwin’s observations on a voyage around the world led to new ideas about species Slide 3 Voyage of the…

Slide 1 The Evolution of Populations Chapter 23 Slide 2 Overview: The Smallest Unit of Evolution One misconception is that organisms evolve during their lifetimes Natural…

Slide 1 23.3 23.4 NATURAL SELECTION, GENETIC DRIFT, AND GENE FLOW CAN ALTER A POPULATION’S GENETIC COMPOSITION Slide 2 Copyright © 2005 Pearson Education, Inc. publishing…

Slide 1 Natural Selection Depending on what environment & conditions the organism is located, the following types of natural selection can occur: – Disruptive Selection…

Slide 1 What Darwin Never Knew How Genetics influences Evolutionary Thought Slide 2 Video Clip ● Variation ● Darwin got right ● Darwin's idea has stood the test…