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The Origin and Evolution of Vertebrates

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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

Natural Selection and Evolution

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

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

Chordates

  • Chordates
    05:34
  • Bony Fish
    05:21
  • Tetrapods
    05:57

Chordates

  • Chordates
    05:34
  • Bony Fish
    05:21
  • Tetrapods
    05:57

Introduction to Prokaryotes

  • Introduction to Archaea
    04:39
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54

Introduction to Eukaryotic Organelles

  • Introduction to Eukaryotic Organelles
    03:45
  • Ribosomes
    06:51
  • Map of the Lesson on Eukaryotic Organelles
    02:43

Introduction to Cell Signaling

  • Introduction to Cell Signaling
    05:03
  • 3 Steps of Cell Signaling
    04:37

Introduction to Cell Division

  • Asexual vs. Sexual Reproduction
    04:45
  • Introduction to Cell Division
    09:40
  • Importance of Cell Division
    03:19

Introduction to Meiosis

  • Introduction to Meiosis Example 1
    01:43
  • Meiosis I & Meiosis II
    04:49
  • Introduction to Meiosis
    04:33

Introduction to Mendel's Experiments

  • Why Pea Plants?
    01:58
  • Introduction to Mendel's Experiments
    03:50

Introduction to DNA Replication

  • Unwinding the DNA: Topoisomerase, Helicase & SSBs
    05:10
  • Components of DNA Replication
    04:47
  • Origin of Replication
    03:33

Central Dogma

  • Central Dogma
    05:45

Introduction to Transcription

  • Overview of Transcription
    07:44
  • Introduction to Transcription
    05:51

Introduction to Translation

  • Ribosomal tRNA Binding Sites
    06:16
  • Ribosome Subunits
    08:42
  • Introduction to Translation
    06:12

Mutations

  • Mutations
    02:29
  • Types of Mutations
    08:44

Introduction to Regulation of Gene Expression

  • Positive vs Negative Gene Regulation
    02:17
  • Introduction to Regulation of Gene Expression
    06:40

Viruses

  • Virus Structure
    04:50
  • Lytic and Lysogenic Cycles
    08:04
  • Viroids and Prions
    04:22

Introduction to DNA-Based Technology

  • Map of DNA-Based Technology Lesson
    03:12
  • Introduction to DNA-Based Technology
    02:30

Introduction to DNA Cloning

  • Introduction to DNA Cloning
    02:25
  • Cloning with Recombinant DNA
    03:41

Introduction to Polymerase Chain Reaction

  • Introduction to Polymerase Chain Reaction
    01:31
  • Components of a Polymerase Chain Reaction
    05:57
  • Why do we use PCR?
    02:53

Gel Electrophoresis

  • Gel Electrophoresis
    07:58
  • Gel Electrophoresis Example 1
    02:34

DNA Fingerprinting

  • Short Tandem Repeats (STRs)
    03:41
  • DNA Fingerprinting
    03:30

Introduction to DNA Sequencing

  • Introduction to DNA Sequencing
    02:13
  • Dideoxy Nucleotides
    05:12

Genomes

  • Gene Families
    02:06
  • Transposable Elements and Pseudogenes
    03:57
  • Protein Encoding Genes
    02:11

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

History of Evolutionary Thought

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

Natural Selection

  • Natural Selection Example 2
    05:11
  • Natural Selection: Observations and Inferences
    04:12
  • Natural Selection Example 1
    02:19

Evidence of Natural Selection

  • Natural and Artificial Selection
    03:41
  • Evidence of Natural Selection Example 1
    02:28
  • Evidence of Natural Selection
    04:25

Evidence of Evolution

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

Misconceptions About Evolution

  • Common Misconceptions
    06:39

Evolution of Populations

  • Evolution of Populations Example 1
    03:33
  • Introduction to Evolution of Populations
    05:14

Genetic Variation

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

Genetics and Allele Frequencies

  • Allele Frequencies
    06:36
  • Mendelian and Population Genetics
    04:26
  • Genetics and Allele Frequencies Example 1
    02:56

The Hardy-Weinberg Principle

  • Predicting Allele or Genotype Frequencies Using Hardy-Weinberg
    03:31
  • Testing if a Population is in Hardy-Weinberg Equilibrium
    08:26
  • B. Calculating Allele Frequency from a Genotype Frequency
    03:20

Assumptions of the Hardy-Weinberg Principle

  • Five Assumptions of Hardy-Weinberg Equilibrium
    06:16
  • Assumptions of the Hardy-Weinberg Principle Example 1
    04:13

Non-Random Mating

  • Non-Random Mating
    04:09
  • Non-Random Mating Example 1
    04:19

Natural Selection

  • Sexual Selection
    06:17
  • Natural Selection
    04:43
  • Natural Selection Example 3
    04:18

Genetic Drift

  • Genetic Drift Example 1
    02:00
  • Genetic Drift Example 2
    02:37
  • Genetic Drift
    05:06

Gene Flow

  • Gene Flow Example 1
    04:34
  • Gene Flow
    01:43

Putting it All Together

  • Putting it All Together
    11:28

Introduction to Speciation

  • Introduction to Speciation
    03:03

The Biological Species Concept

  • The Biological Species Concept Example 3
    02:15
  • Prezygotic Barriers
    05:18
  • The Biological Species Concept Example 1
    01:27

Other Species Concepts

  • Other Species Concepts Example 1
    03:42
  • Different Ways to Define Species
    08:17

Allopatric and Sympatric Speciation

  • Allopatric and Sympatric Speciation
    02:46
  • Allopatric and Sympatric Speciation Example 1
    04:25
  • Allopatric Speciation
    03:53

Hybrid Zones

  • Hybrid Zones Example 1
    02:37
  • Hybrid Zones
    04:38

Speciation Time Scales

  • Gradual Evolution vs. Punctuated Equilibrium
    03:23

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

History of Life on Earth

  • History of Life on Earth Example 1
    04:53
  • Geologic Record
    07:18

Extinctions

  • Cretaceous Extinction
    04:55
  • Extinctions
    04:48
  • Sixth Extinction
    02:29

Adaptive Radiation

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

Evolution of Complexity

  • Origin of Complex Traits
    06:15

Introduction to Taxonomy

  • Introduction to Taxonomy Example 2
    01:37
  • Categorizing Life Based on Energy Acquisition
    05:48
  • Introduction to Taxonomy
    02:23

Introduction to Eukaryotic Organelles

  • Introduction to Eukaryotic Organelles
    03:45
  • Ribosomes
    06:51
  • Map of the Lesson on Eukaryotic Organelles
    02:43

Prokaryotic & Eukaryotic Cells

  • Recap: Prokaryotic vs. Eukaryotic Cells
    04:26
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54

Introduction to Aerobic Cellular Respiration

  • Introduction to Cellular Respiration Example 2
    01:53
  • Aerobic Cellular Respiration is a Redox Reaction
    04:18
  • Stages of Aerobic Cellular Respiration
    02:31

Introduction to Photosynthesis

  • Introduction to Photosynthesis
    03:32
  • Photosynthesis vs. Cellular Respiration
    07:55
  • Photosynthesis is a Redox Reaction
    03:20

Introduction to Cell Division

  • Asexual vs. Sexual Reproduction
    04:45
  • Introduction to Cell Division
    09:40
  • Importance of Cell Division
    03:19

Introduction to the Cell Cycle

  • Introduction to the Cell Cycle
    04:46

Phases of Mitosis

  • Phases of Mitosis
    03:21
  • Metaphase
    01:58
  • Prometaphase
    03:20

Cytokinesis

  • Animal Cell Cytokinesis
    02:56
  • Cytokinesis
    01:25
  • Cytokinesis Example 1
    01:59

Cell Cycle Regulation

  • Cell Cycle Regulation
    03:31
  • Cell Cycle Checkpoints
    06:32

Review of the Cell Cycle

  • Memorizing the Steps of the Cell Cycle
    03:21

Cancer

  • Types of Genes Regulating Cell Growth
    04:02
  • Cancer
    03:22