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The first 200 words of this essay...
Emma Lazarus - 10Y1 - 10/PLR
Lemna are small water plants found in ponds. Typical of plants, they reproduce asexually. When they reproduce they form a bud on the edge of a leaf, which, when big enough, will eventually separate from the mother leaf and can then reproduce itself. Sometimes lemna plants can have up to 3 or 4 buds. Exactly the same as plants in soil, they use the sun's energy for photosynthesis, and water, but they have to take all their nutrition to grow and reproduce from the water. I am going to look at how lemna are affected by deficiencies in nitrogen, iron and magnesium.
How do lemna plants cope in environments lacking certain mineral salts - nitrogen, iron and magnesium?
carbon dioxide + water -->-->-->-->--> glucose + oxygen
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