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$10.00 ANGIOSPERMS PLANTS

  • From Biology: General-Biology
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  • Due on May. 31, 2009
  • Asked on May 20, 2009 at 11:31:45PM
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JAIDENSAM
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Q:
Angiosperms (flowering plants) are the largest Phylum in the Plant Kingdom (Angiospermophyta is also called Anthophyta or Magnoliophyta). These plants have true roots, stems, leaves and flowers. The roots grow into the soil to anchor the plant in place and take up water and nutrients. The leaves are above ground and act as the main organs for photosynthesis. Stems provide above ground support for the plant and operate as conduits to move nutrients and water throughout the plant. Flowers contain the male and female reproductive organs of the plant.

With these anatomical features in mind, do some research to find an angiosperm that has modified leaves, stems, roots or flowers that do not function in the normal manner, or that function in an unusual manner. Example: A California Barrel Cactus has spines in place of leaves to reduce water loss.

Explain how this structural modification helped the plant adapt to its environment. Make sure the plant you choose is an Angiosperm. For example, plants such as pine trees, mosses, and ferns are not Angiosperms
 

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Adaptations among epiphytes.
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  • Posted on May 21, 2009 at 3:09:05PM
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Mindbio
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Preview: ... ter similar to a water tight container. Such a modification enables rain water and plant debris to get trapped in the funnels. The absorbing tissues present at the base of the leaves obtain water and nutrients from the trapped contents. Epiphytes absorb the nutrients present in the dust which will be washed away from the supporting tree's leaves due to the action of rainwater. They also absorb nutrients available from the debris of plants that get trapped amongst the branches of the supporting tree or their own roots. Most of the orchids obtain micronutrients from the fungal mychorrhiza associated with their roots. <br><br>Most of the epiphytic orchids possess aerial roots which are covered by a layer of dead cells known as Velamen. These cells absorb water from the atmosphere which is humid. The velamen becom ...

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Angiosperms (Biology)
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  • Posted on May 21, 2009 at 5:45:48PM
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fairears2
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Preview: ... e vascular plants have stems, roots, and leaves. They are all over the earth except extreme environments ...

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Biology Unit 5 Answers (Angiosperms).doc (36K) (Preview)