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Article: Vascular Tissues
- Article from:
- Plant Sciences
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CopyrightCOPYRIGHT 2001 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Vascular Tissues
All living cells require water and nutrients. If an organism is a single cell or if its body is only a few cells thick, water and nutrients are easily moved through the organism by diffusion. However, diffusion is generally too slow for even small plants to meet their water and nutrient needs. In plants, this problem was solved with the evolution of a specialized system for fast and efficient long-distance transport of water and nutrients. This specialized cellular network is the vascular tissue system; plants with vascular tissues are referred to as vascular plants.
The vascular tissue system is composed of two different types of tissues: xylem and phloem. Although both ...