ap biology - macro-evolution

timestamps

• 0:00

  Welcome and Recap

• 0:34

  Introduction to Macroevolution

• 2:13

  Natural Selection Review

• 3:15

  Microevolution and Hardy-Weinberg

• 3:46

  Large-Scale Evolution Overview

• 4:16

  Cladograms and Relationships

• 5:18

  Common Ancestors Explained

• 6:20

  Species Concepts

• 7:21

  Biological Species Concept

• 8:53

  Reproductive Isolation

• 10:26

  Pre-Zygotic Barriers

• 11:59

  Habitat and Temporal Isolation

• 14:31

  Behavioral Isolation

• 15:32

  Mechanical and Gametic Isolation

• 17:06

  Post-Zygotic Barriers

• 18:42

  Reduced Hybrid Fertility

• 21:16

  Preventing Gene Flow

• 23:18

  Allopatric Speciation

• 24:50

  Sympatric Speciation

• 26:26

  Allopatric Example: Porkfish

• 27:31

  Sympatric Example: Apple Maggot Flies

• 30:08

  Habitat Differentiation

• 31:10

  Sexual Selection

• 32:10

  Polyploidy in Plants

• 36:18

  Adaptive Radiation

• 38:22

  Phylogenetic Trees

• 39:27

  Cladogram Interpretation

• 41:04

  Amino Acid Data Analysis

• 43:41

  Constructing Cladograms

• 47:03

  Cladogram Flexibility

• 51:11

  Thought Questions

• 53:49

  AP Exam Question Example

• 55:24

  Session Wrap-Up