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Lichens
Part 1 of Paper
....s of various-colored plant life called . They are of great scientific interest because they are not single plants; instead, each lichen is formed of a fungus and an alga living together so intimately as to seem a single plant. The are one of the best illustrations of symbiosis, the intimate living together of two diff.... Part 2 of Paper
...., for example, Lecanora conizaeoides is actually confined to areas of high pollution.
The body of the lichen, the thallus, has three basic growth forms. These forms are crustose, foliose, and fruticose. Each form is adapted to live under different moisture conditions. The crustose resemble a crust that has become attached to a surface and are well suited to dry areas. Foliose, or leafy, need much greater amounts of water. Some of them even grow on rocks in streams. Fruticose thrive in humid .... |
| Number of words: 571 - Approximate pages: 3 |
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