timestamps

• 0:00

  Introduction and Overview

• 0:42

  Marathon Session Prep

• 1:45

  Social Media Shoutout

• 2:18

  Unit 1: Ecosystems

• 2:50

  Interspecies Relationships

• 3:52

  Resource Partitioning

• 5:27

  Terrestrial Biomes

• 6:32

  Aquatic Biomes

• 9:41

  Carbon Cycle

• 11:14

  Nitrogen Cycle

• 12:16

  Phosphorus Cycle

• 13:17

  Water Cycle

• 13:49

  Primary Productivity

• 15:23

  Trophic Levels

• 16:25

  10% Rule

• 18:03

  Food Webs and Chains

• 20:07

  Unit 2: Biodiversity

• 20:37

  Types of Biodiversity

• 22:12

  Species Richness Evenness

• 23:13

  Ecosystem Services

• 25:20

  Island Biogeography

• 26:23

  Ecological Tolerance

• 27:54

  Ecological Succession

• 30:00

  Unit 3: Populations

• 30:31

  Generalist vs Specialist

• 34:06

  K and R Species

• 36:42

  Survivorship Curves

• 39:18

  Carrying Capacity

• 40:54

  Age Structure Diagrams

• 43:30

  Population Growth Formula

• 45:34

  Total Fertility Rate

• 46:06

  Demographic Transition

• 47:37

  Unit 4: Earth Systems

• 48:08

  Plate Tectonics

• 50:14

  Soil Formation

• 52:50

  Soil Texture Pyramid

• 56:29

  Earth's Atmosphere Layers

• 59:03

  Global Wind Patterns

• 1:00:04

  Hadley Cells

• 1:01:40

  Watersheds and Aquifers

• 1:02:42

  Earth's Tilt and Seasons

• 1:04:17

  Geography and Climate

• 1:06:54

  Closing Remarks