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20.1 Origins of Plant Life
20.1 Origins of Plant Life

... – secretes cuticle of leaves – forms outer bark of trees ...
Introduction to the Plant Kingdom
Introduction to the Plant Kingdom

... For reproduction, early vascular plants still needed moisture. Sperm had to swim from male to female reproductive organs for fertilization. Spores also needed some water to grow and often to disperse as well. Of course, dryness and other harsh conditions made it very difficult for tiny new offspring ...
biology - WordPress.com
biology - WordPress.com

... bundles (xylem and phloem). The pericycle consist of parenchyma type cell that lies between endodermis and vascular tissue that comes from procambium cells. In pericycle is formed branches of root and inside pericycle of young root is found xylem tissue and phloem tissue. • In dicotyledon plant, woo ...
SECTION 5
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... Wetlands usually occur next to creeks and rivers, or near the coast, but they can exist even in arid desert areas. They can range in size from a small swamp to a vast shallow lake. There are many types of wetlands. Wetlands that contain water all year round are called permanent wetlands, and those t ...
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Plant Review | Part I | KEY
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animals - TeacherWeb
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... VIII. Vascular Plants (overview) – plants with xylem and phloem – 7 to 9 living phyla, depending on who you talk to A. able to dominate most terrestrial habitats because of vascular tissues, waxy cuticle, and stomata B. conducting tissues (xylem and phloem) called vascular tissues 1. cylindrical or ...
Full Article - Pharmascope.org
Full Article - Pharmascope.org

... stomata are elliptical in outline with wide stomatal pores. The epidermal cells are large and are amoeboid in outline due to these wavy anti clinal walls. The Petiole (Figure 9) is semi circular with adaxial flat side. It is 1.8 cm in diameter. It consists of thin continuous epidermal layer followed ...
PLANTS TEST
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Milfoil Look-a-Likes fact sheet – pdf
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... Eurasian water milfoil is one of eight watermilfoil species found in Wisconsin and the only one that is not native. The most common native water-milfoil in Wisconsin lakes is northern water-milfoil. It bears a strong resemblance to Eurasin water-milfoil and identification between the two plants can ...
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... 4.02 Analyze the processes by which organisms representative of the following groups accomplish essential life functions including: ...
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pdf file

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Xylem



Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The word xylem is derived from the Greek word ξύλον (xylon), meaning ""wood""; the best-known xylem tissue is wood, though it is found throughout the plant.The basic function of xylem is to transport water, but it also transports some nutrients.
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