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| | Science Experiments: Plants and Water | Introduction |
 | | Plants are a diverse group of organisms that include over 250,000 species. |
 | | They can claim the world's largest organism, a redwood tree that can stretch to a height of 364 feet (110 meters), and the world's oldest organism, the 4,700-year-old bristle-cone pine tree. |
 | | Plants are also used for food, shelter, and protection by organisms in every known environment. |
| science.enotes.com /science-experiment/plants-water (263 words) |
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