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Unformatted text preview: 9. The pollen can be carried by wind, which means that plants no longer require a water environment and can reproduce more easily and in a dry spell. 10. A plant with an extensive root system can grow much larger than other plants and can live in areas where the water table is lower and still manage to acquire water. 11. Plants needed to have the cuticle covering and stomata to prevent water loss and develop phloem and xylem to transport water throughout the entire plant body. 12. Plants needed to develop the ability to grow deep roots and to achieve secondary growth. They also needed to develop woody growth in the xylem and the cork cambium to protect the plant from outside elements....
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- Spring '08