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Chapter 19: Descent with Modification – Evidence for Evolution

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Natural Selection and Evolution

  • Natural Selection Causes Adaptation
    07:48
  • Adaptation Improves Fitness
    02:57
  • Evolution can Occur Via Natural Selection
    04:32

Evidence of Evolution

  • Types of Homologies
    04:46
  • Evidence of Evolution Example 1
    02:27
  • Fossils
    06:11

Homologous Chromosomes

  • Homologous Chromosomes
    08:09

Introduction to Evolution and Natural Selection

  • Introduction to Evolution and Natual Selection Example 1
    03:22
  • Introduction to Evolution and Natual Selection Example 2
    04:28
  • Typological vs. Population Thinking
    03:56

Biogeography

  • Biogeography Example 2
    03:26
  • How Ecosystems Impact Species Distribution
    01:12
  • Biogeography Example 1
    02:43

Introduction to Phylogeny

  • Binomial Nomenclature
    02:32
  • Systematics
    06:57
  • Introduction to Phylogeny Example 1
    01:31

Phylogeny

  • Phylogeny Example 3
    04:12
  • Parts of a Phylogenetic Tree
    05:16
  • Phylogeny Example 1
    06:11

Building Phylogenetic Trees

  • Shared Derived Characters
    05:42
  • Parsimony
    06:46
  • Building Phylogenetic Trees Example 1
    04:35

Cladistics

  • Cladistics Example 1
    03:52
  • Monophyletic, Paraphyletic, & Polyphyletic Group
    06:37

Prokaryotic Diversity

  • Prokaryote Lineages 1
    03:51
  • Reviewing the Environmental Factors of Microbial Growth
    07:21
  • Prokaryote Lineages 2
    05:13

Origin of Life

  • Origin of Life Example 1
    03:23
  • Events that Lead to the Formation of Cells
    06:38

The Fossil Record

  • Biases in the Fossil Record
    03:17
  • Fossils
    03:54
  • The Fossil Record Example 1
    02:59

Adaptive Radiation

  • Developmental Genes & Regulation
    06:12
  • Cambrian Explosion
    05:10
  • Adaptive Radiation Example 1
    06:17