# Cactus

A cactus (plural: cacti, cactuses, or cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word "cactus" derives, through Latin, from the Ancient Greek κάκτος, kaktos, a name originally used by Theophrastus for a spiny plant whose identity is not certain. Cacti occur in a wide range of shapes and sizes. Most cacti live in habitats subject to at least some drought. Many live in extremely dry environments, even being found in the Atacama Desert, one of the driest places on earth. Cacti show many adaptations to conserve water. Almost all cacti are succulents, meaning they have thickened, fleshy parts adapted to store water. 
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# Photos

http://animals.sandiegozoo.org/sites/default/files/2016-10/plants_hero_cactusB.jpg

https://www.newvision.co.ug/w-images/0b4290eb-77f6-4773-bf5b-f041bb0071d1/1/cactus1-703x422.jpg

http://www.visitcalifornia.com/sites/default/files/styles/welcome_image/public/VC_DeathValleyFloraFauna_Module5_BeavertailCactus_Stock_RF_147027910_1280x640.jpg

https://maxpull-tlu7l6lqiu.stackpathdns.com/wp-content/uploads/2014/09/totem-pole-cactus.jpg

http://www.cdnsciencepub.com/files/Images/blog/iStock-539102860.jpg

Source : [wikipedia](wikipedia.org)
Source Image : [1](http://animals.sandiegozoo.org/sites/default/files/2016-10/plants_hero_cactusB.jpg),[2](https://www.newvision.co.ug/w-images/0b4290eb-77f6-4773-bf5b-f041bb0071d1/1/cactus1-703x422.jpg),[3](http://www.visitcalifornia.com/sites/default/files/styles/welcome_image/public/VC_DeathValleyFloraFauna_Module5_BeavertailCactus_Stock_RF_147027910_1280x640.jpg),[4](),[5](http://www.cdnsciencepub.com/files/Images/blog/iStock-539102860.jpg)
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https://res.cloudinary.com/hpiynhbhq/image/upload/v1517785590/nzxgi9hhmk6knb8sorub.jpg

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