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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.
First Air Date : Jan 30, 2012
Last Air date : Apr 30, 2024
Episode : 81 Episode
Season : 2 Season
Runtime: 15:14 minutes
Studio: YouTube
Country: United States of America
Cast: Samuel Ramsey
Crew: