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Watch Crash Course Biology Season 1 Episode 38 Online

  • 1.5/10
  • COUNTRIES: United States of America
  • Subtitles: English

Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the way it did back in the Ordovician swamps where it got its start. Here's how the vascular plants (ferns, gymnosperms and angiosperms) do it.