Dr Wendi’s Health



This video describes the mechanisms that drive macroevolution and includes fossils, anatomy, and molecular sequences, as well as human evolution.

Time stamps

Macroevolution definition 0:24

Darwin’s finches and iguanas 1:50

Rate of evolution 3:19

Fossils 4:10

Human taxonomy 5:43

Human evolution timeline 6:50

Comparing anatomy 9:50

Comparing molecular sequences 12:20

Not all species evolve at the same rate 13:47

Stabilizing, directional, and disruptive selection 14:22

DNA mutations 17:11

Non-random mating and sexual selection with cool bird examples 18:24

Migration 19:17

Genetic drift – bottleneck effect 19:44

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