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Biology Unit 8: Evolution – Essential Questions Study Guidance

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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

Isotopes

  • Isotopes
    06:50
  • Radioactive Isotopes
    02:37

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

Genetic Variation

  • Sources of Genetic Variation
    02:16
  • Sexual Reproduction and Recombination
    05:08
  • Mutations
    06:42

Speciation Time Scales

  • Gradual Evolution vs. Punctuated Equilibrium
    03:23

Introduction to Speciation

  • Introduction to Speciation
    03:03

History of Evolutionary Thought

  • Geological Thinking
    04:22
  • History of Evolutionary Theory Example 1
    02:45
  • Darwin and Wallace
    07:37

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