The earliest cacti is thought to have existed 80 million years ago during the times when dinosaurs lived Fossil evidence indicates that cacti have been part of the human diet for more than 9,000 years.
Water is stored in the stem of the Prickly Cactus. Flexible ribs in the plant expand and contract according to the amount of intake and use of the water Spines help shade the body of the cactus from the sun and protect it from animals who are looking to access the plant s water supply A single cactus has been known to store up to 1.000 gallons of water
PRICKLY CACTUS TOYS ACTUAL SIZE
Was this article helpful?
THIS book is one of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company. Like Popular Mechanics Magazine, and like the other books in this series, it is written so you can understand it. The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mechanical subjects. The textand illustrations, in each instance, have been prepared expressly for this series by well known experts, and revised by the editor of Popular Mechanics.