How Plants Know Which Way Is Up
Science Underground
English - April 10, 2016 09:00 - 2 minutes - 1.84 MB - ★★★★★ - 35 ratingsNatural Sciences Science Education earth science astronomy biology chemistry physics stem Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Seeds that are buried deep in the soil need to figure out which way their roots and stem should go. Ends up they have special cells to tell them what's up.