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Photosynthesis, Autotrophs, and Trophic Chains in Ecosystems

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Introduction to Photosynthesis

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

Leaf & Chloroplast Anatomy

  • Leaf & Chloroplast Anatomy
    08:18

Pigments of Photosynthesis

  • Pigments of Photosynthesis
    05:58
  • Introduction to Photosystems
    04:59
  • Absorption Spectrum of Photosynthesis
    02:52

Stages of Photosynthesis

  • Stages of Photosynthesis
    03:16
  • Map of the Lesson on Photosynthesis
    02:41

Review of Photosynthesis

  • Recap Map of Photosynthesis
    08:50
  • Review of Photosynthesis Example 1
    02:06

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