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Community and Ecosystem Ecology, Evolution, and Diversity of Life: Study Guide for Exam 2 (Biology 190)

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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

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

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

Evolution of Protists

  • Secondary Endosymbiosis Led to Several Eukaryotic Lineages
    02:37
  • Evolution of Protists Example 1
    01:43
  • Primary Endosymbiosis Gave Rise to Eukaryotes
    01:37

Introduction to Protists

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

Introduction to Prokaryotes

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

Prokaryotic Diversity

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

Prokaryotes in the Environment

  • Prokaryote Ecology
    05:34
  • The Human Microbiome
    03:25
  • Introduction to Pathogenic Toxins
    03:40

Endosymbiotic Theory

  • Endosymbiotic Theory
    06:58

Phylogeny

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

Building Phylogenetic Trees

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

Cladistics

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

Viruses

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