ap biology - unit 7: origin of life & earth timeline

timestamps

• 0:00

  Macromolecules from Monomers

• 0:32

  Spontaneous Polymer Assembly

• 1:04

  Protocell Formation

• 1:35

  Oil-Water Bubble Analogy

• 2:06

  Trapping Organic Materials

• 2:38

  Montmorillonite Clay Diagram

• 3:09

  Clay as Catalyst

• 3:40

  Lipid Bilayer in Protocells

• 4:10

  Self-Replicating Inheritance

• 4:41

  RNA World Hypothesis

• 5:11

  Ribozyme Function

• 5:43

  RNA vs DNA Advantages

• 6:13

  First Cell Precursors

• 6:44

  Football Field Timeline Analogy

• 7:16

  Earth Origin and Life Start

• 7:47

  Timeline Visualization

• 8:20

  Isotope Dating Methods

• 8:51

  Carbon Isotopes and Half-Life

• 9:22

  Extrapolating Fossil Ages

• 9:54

  Dating Techniques Overview

• 10:26

  Earth Timeline Clock

• 10:57

  Prokaryotes and Oxygen Appearance

• 11:27

  Life Progression Graphic

• 11:57

  Oxygen Revolution

• 12:28

  Cyanobacteria Photosynthesis

• 12:58

  Plants Misconception

• 13:29

  Oxygen Tolerance Selection

• 14:00

  Eukaryotes Emergence