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Joan Roughgarden

2:16

The Ecology of the Oceans, Dr. Joan Roughgarden

1:51

Joan Roughgarden: Ashley Moore, Transcendence Gospel Choir, Natures Rainbow

0:35

Roughgarden: Burrowing Snake on Kauai

2:59

King Penguins Mating

3:36

Sex and procreation

Joan Roughgarden is an American ecologist and evolutionary biologist. She is well known for her theistic evolutionism and critical studies on Charles Darwin's theory of sexual selection.