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In this video, we look at how plants use chemicals to coordinate their response to light and to gravity.

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Image credits:

Phototropism "https://commons.wikimedia.org/wiki/Fi...

By Brona at en.wikipedia. User:Roepers at nl.wikipedia [GFDL (http://www.gnu.org/copyleft/fdl.html) or CCBYSA3.0 (http://creativecommons.org/licenses/b...)], from Wikimedia Commons"

Onion roots https://pixabay.com/en/onionchivesr...

Bean germination By Doronenko Own work, CC BYSA 3.0, https://commons.wikimedia.org/w/index...

Bananas By Taken byfir0002 | flagstaffotos.com.auCanon 20D + Tamron 2875mm f/2.8 Own work, GFDL 1.2, https://commons.wikimedia.org/w/index...

Music credit:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/