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Lichen Report
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Corey 1
Lichen, which is fungi and algae combined, grows well in certain conditions, but not as well in others. So what sort of conditions does lichen require to thrive? The purpose of this experiment is to discover which conditions lichen develops in best. ... The growth and development of said lichen is the dependent variable, as it relies on the independent variables shown above. The hypothesis for this experiment is that the lichen will grow and develop faster in the control (humid, cool) environment. ... ” (Agricultural Research 10) However, they can only become lichen if they the fungi and algae are of a compatible type. ... There are over 20,000 species of fungi that can be converted to lichen, but only 20-40 different species of algae. Most of these algae are common, single celled green algae, which is why its fungal partner usually classifies lichen. They use the scientific name of the fungi as the name for that species of lichen.
Corey 2
The growth of lichen depends on the fungi and algae both. ... ” (Robinson 58) The lichen fungus feeds in many different ways off of its algal partner. The alga produces almost 80% of the energy for the lichen in some cases, so it is believed that they survive in an almost parasitic partnership. ... ”
The most common types of lichen are found to be growing on rocks, but are often found growing in wood as well. Occasionally it will grow in very stable soil surfaces, and at very high altitudes there are species of “hanging lichen” which grow off of the branches of trees.
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Paper Information
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Title: Lichen Report
Words: 1231
Rating: None
Pages: 4.9
submitted by: phoenixshards
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