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Ecology and Review: Energy Flow, Population Dynamics, and Biological Classification

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Introduction to Ecology

  • Levels of Ecological Study
    05:01
  • Introduction to Ecology Example 1
    02:31
  • Environment vs. Habitat vs. Niche
    01:57

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

Energy & Biomass Pyramids

  • Energy & Biomass Pyramids
    05:41
  • Energy & Biomass Pyramids Example 1
    03:41

Introduction to Terrestrial Biomes

  • Introduction to Terrestrial Biomes Example 2
    01:29
  • Introduction to Terrestrial Biomes
    01:55
  • Introduction to Terrestrial Biomes Example 1
    00:49

Population Sampling Methods

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

Factors Limiting Population Growth

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

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

The Human Population

  • The Human Population Example 1
    02:36
  • The Human Population Example 2
    02:01
  • Age-Structure Affects a Country's Human Population Growth
    02:45

Biogeography

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

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

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 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

Introduction to Taxonomy

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

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 & Eukaryotic Cells

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

Introduction to Prokaryotes

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

Prokaryotic Cell Structure

  • Functions of Pili
    01:46
  • Pili
    01:02
  • Endospores
    05:35

Introduction to Protists

  • What is a Protist?
    03:23
  • Introduction to Protists Example 1
    02:30
  • Introduction to Protists Example 2
    01:39

Fungi

  • Fungi - 1
    08:59
  • Fungi - 2
    09:57

Land Plants

  • Land Plants - 4
    06:17
  • Land Plants - 2
    12:57
  • Land Plants - 3
    03:36

Carbon

  • Carbon is an Excellent Building Block
    03:35
  • Carbon
    04:19