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Comprehensive Study Notes: Genomics, Evolution, Population & Community Ecology, and Ecosystems

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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

Steps to DNA Cloning

  • Steps to DNA Cloning
    04:42
  • 1b) Use Ligation Enzymes
    04:58
  • 1a) Use Restriction Enzymes
    03:27

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

The Steps of PCR

  • 1) Denaturation
    03:33
  • 2) Annealing
    02:56
  • The Steps of PCR
    04:39

Genomes

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

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 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

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

Evidence of Evolution

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

Introduction to Speciation

  • Introduction to Speciation
    03:03

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

Non-Random Mating

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

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

Population Sampling Methods

  • Sampling Mobile Organisms: Mark & Recapture
    03:12
  • Population Sampling Methods Example 1
    01:54
  • Sampling Stationary Organisms: Transects & Quadrats
    02:31

Introduction to Population Ecology

  • Factors Affecting Population Size (N)
    01:48
  • Population Size & Density
    01:52
  • Introduction to Population Ecology Example 3
    01:51

Population Demography

  • Life Tables
    03:49
  • Population Demography Example 1
    02:18
  • Survivorship Curves
    02:54

Factors Limiting Population Growth

  • Density-Dependent Factors
    02:37
  • Factors Limiting Population Growth
    00:51
  • Density-Dependent vs. Density-Independent Factors
    03:14

Introduction to Population Growth Models

  • Introduction to Population Growth Models Example 3
    02:52
  • Introduction to Population Growth Models
    01:09
  • Assumptions of Population Growth Models
    03:29

Exponential Population Growth

  • Exponential Population Growth Example 2
    07:34
  • Exponential Population Growth
    03:05
  • Exponential Population Growth Equations
    06:35

Logistic Population Growth

  • Summary of Key Features & Assumptions for Each Population Growth Model
    07:28
  • Logistic Growth in a Limited Environment
    05:00
  • Logistic Population Growth Example 1
    04:28

Life History

  • Life History
    04:01
  • Life History: Population Reproductive Strategies
    02:51
  • Life History Example 1
    02:46

Introduction to Community Ecology

  • Introduction to Community Ecology
    02:03

Introduction to Community Interactions

  • Overview: Types of Community Interactions
    02:55
  • Introduction to Community Interactions Example 1
    02:23
  • Introduction to Community Interactions
    01:57

Community Interactions: Competition (-/-)

  • Resource Partitioning (Partial Niche Overlap)
    03:57
  • Competitive Exclusion Principle (Complete Niche Overlap)
    04:23
  • Community Interactions: Competition (-/-) Example 1
    04:23

Community Interactions: Exploitation (+/-)

  • 1) Exploitation (+/-): Predation
    01:42
  • 3) Exploitation (+/-): Parasitism
    02:37
  • Community Interactions: Exploitation (+/–)
    00:49

Community Interactions: Mutualism (+/+) & Commensalism (+/0)

  • Positive Interactions
    02:56
  • Summary of Community Interactions
    01:52

Community Structure

  • Community Structure Example 3
    02:22
  • Community Structure Example 1
    03:37
  • Community Structure
    04:25

Community Dynamics

  • Disturbances Make Communities Dynamic
    03:37
  • Secondary Ecological Succession
    02:31
  • Effects of Early-Arriving Species on Late-Arriving Species
    01:34

Geographic Impact on Communities

  • What is the Island Equilibrium Model?
    03:48
  • Geographic Impact on Communities Example 2
    03:54
  • Geographic Impact on Communities
    03:35

Introduction to Ecosystems

  • Grazing & Detritus-Based Food Chains
    03:29
  • Introduction to Ecosystems Example 2
    01:57
  • Introduction to Ecosystems
    04:07

Energy Flow Through Ecosystems

  • Gross Productive Energy vs. Assimilated Energy
    05:28
  • Energy Efficiency in Ecosystems
    06:28
  • Energy Flow Through Ecosystems Example 2
    07:07

Biogeochemical Cycles

  • Biogeochemical Cycles Example 2
    02:40
  • Carbon Cycle
    04:20
  • Nitrogen Cycle
    08:32