ap biology - origins of life, extinction & variation
originally streamed in 2020 with Jessica NadzamTeachercovered in this stream
timestamps
- 0:00
Introduction to Topics
- 0:31
Welcome and Resources
- 2:03
Session Overview
- 3:04
Origins of Life
- 5:42
Earth's Early History
- 7:18
Geological Time Scale
- 9:53
Stromatolites and Cyanobacteria
- 13:28
Spontaneous Generation Theory
- 18:38
Primordial Soup Hypothesis
- 20:40
Panspermia Theory
- 21:45
Hydrothermal Vents Theory
- 23:49
Theories Discussion
- 25:57
Cambrian Explosion
- 28:31
RNA World Hypothesis
- 30:37
Variation in Populations
- 32:10
Genetic Diversity Examples
- 37:21
Extinction Vortex
- 40:26
Mass Extinctions History
- 43:32
Sixth Mass Extinction
- 44:34
Q&A Session
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