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Push/pull Theory

Part one of term paper
Plants need much more water to survive than animals do, a sunflower must take in 17 times more water than a human of comparable weight. At least 500 pounds of water must be lifted from the roots to the leaves to make a single pound of organic tissue. This tremendous amount of water is required to undergo photosynthesis each and every day of a ...

Part two of term paper
... pressure pushes up from the roots continuously and that force maintains a constant flow of water circulating throughout the plant. This constant pressure that exerts force from the water it takes from the ground, supposedly should provide enough power to continue the circulation and distribution of water efficiently throughout the entire plant. Proof of root pressure is exhibited through a process called guttation. Through guttation, tiny droplets of water are sometimes forced out of some plant ...

Word count: 906 | Approximate pages: 4

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