How Do Cacti Survive in That Environment?
Most plants require daily or weekly water. Some people even give their plants supernumerary nutrients with such products as ‘Miracle Grow ‘. House plants may evening come with directions as to how much sunlight, nuance and water the plant needs to survive. So how do cacti that live in the abandon outlive by being deprived of water and nutrients ? Through evolution these special plants have adapted ways to overcome their environment and predators .
Cacti are photosynthetic just like early plants ; they use the sun for energy to grow. The body of a cactus actually swells in times of moisture so that it can store the much needed body of water for belated. In times of drought the body sinks in, or contracts. The most distinct function of a cactus is its spines. Because regular leaves do n’t conserve water well, the cactus developed these modified leaves to adapt to its extremely dry environment. The spines are better at conserving water and surviving in hot temperatures. even leaves provide a large coat area for vaporization of water to occur, the bantam spines do not. The spines actually collect moisture from the air and let it drip down to the roots of the cactus. besides, spines are used to ward off predators. Would you want to eat something that is bristly ?
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It is a misconception that cacti actually survive in true deserts where the grind is all backbone. Most survive in a arenaceous environment with very fiddling dirty, but enough for some limited nutrients to be found. Cacti are normally found in semi-desert regions and dry grasslands. One of the benefits of know in an arid region is that the cactus have no rival for the limit sum of nutrients in the flat coat because most other plants can not survive in the harsh environment. If the environment does become excessively harsh for the cactus, they just become dormant and grow again when there is moisture. Cacti are real survivors, packed full with evolutionary adaptations to endure their environments. They are probably one of the luckiest plants around.
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About the Author
Rebekah Shaffer is presently a Junior at Slippery Rock University, PA. She is pursuing her B.S. in Biology, minor in Chemistry. She presently works as a microbiology lab assistant at Slippery Rock University and is a extremity of Beta Beta Beta Biology Honorary Society. She plans to obtain her Ph.D. in Molecular/Cellular Biology after completing her undergraduate degree .