ap biology - evolution: natural selection & speciation
originally streamed in 2019 with Caroline KoffkeTeachercurriculum note
This video describes an older AP Biology exam format with 69 multiple choice questions (63 MC + 6 grid-in) and 8 free response questions. The current AP Biology exam has 60 multiple choice questions and 6 free response questions.
covered in this stream
timestamps
- 0:00
Introduction and Ecology Wrap-up
- 2:06
Human Impact on Environment
- 2:37
Climate Change Details
- 3:40
Greenhouse Gases Explained
- 5:46
Agriculture's Environmental Effects
- 7:22
Transition to Review
- 8:25
AP Exam Structure
- 9:56
Grid-In Question Strategies
- 13:00
Free Response Tips
- 15:34
Microevolution Overview
- 16:09
Natural Selection Basics
- 19:17
Types of Selection
- 21:54
Peppered Moth Example
- 24:01
Genetic Variation Sources
- 26:04
Heterozygote Advantage
- 30:44
Allele Frequency Changes
- 31:46
Genetic Drift Examples
- 34:49
Antibiotic Resistance
- 38:27
Macroevolution Introduction
- 40:00
Defining a Species
- 42:04
Pre-Zygotic Barriers
- 45:10
Post-Zygotic Barriers
- 51:55
Preventing Gene Flow
- 53:58
Allopatric vs Sympatric Speciation
- 57:07
Wrapping Up Review
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