Plants first made their way onto land at least 470 million years ago but for their first 80 million years, leaves as we know them today didn’t exist. What held them back?
Creator | Hank Green |
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Actor | Kallie Moore, Blake de Pastino, Michelle Barboza-Ramirez |
Country | United States of America |
Production | PBS Digital Studios |
Season 0(6 episode) |
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Season 1(24 episode) |
Season 2(45 episode) |
Season 3(39 episode) |
Season 4(39 episode) |
Season 5(31 episode) |
Season 6(68 episode) |