A Level Biology Revision “Xerophytic Adaptations of Plants”
Author: Freesciencelessons via YouTube
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In this video, we look at the xerophytic adaptations of plants. Xerophytes are plants which are adapted to live in conditions where water is scarce. We look at how cacti and marram grass are adapted to live in these conditions.
Image credits:
Spherical cacti
https://commons.wikimedia.org/wiki/File:Singapore_Botanic_Gardens_Cactus_Garden_2.jpg
Img by Calvin teo, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons
Cacti spines
https://commons.wikimedia.org/wiki/File:Pachycereus_pringlei_spines.jpg
William Coville, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons
Marram Grass
https://commons.wikimedia.org/wiki/File:Marram_Grass,_Goswick_Sand_Dunes_-_geograph.org.uk_-_2135294.jpg
Marram Grass, Goswick Sand Dunes by Mick Garratt, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons
Waxy cuticle
https://commons.wikimedia.org/wiki/File:Ferocactus1001.jpg
Christer Johansson, CC BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5, via Wikimedia Commons
Ammophila arenaria
https://commons.wikimedia.org/wiki/File:Ammophila_arenaria_leaf_cross_section.jpg
Berkshire Community College, CC0, via Wikimedia Commons
Roots of Marram Grass (Ammophila arenaria), Norwick beach
Mike Pennington
https://creativecommons.org/licenses/by-sa/2.0/