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Fungi
Title: Fungi
Category: Science & Technology
Details: Words: 909 | Pages: 3.9 (approximately 235 words/page)
Fungi
FUNGI
What are the fungi? Mushrooms, molds, yeasts, athlete's foot diseases, rusts, and smuts
All are filamentous or unicellular.
Individual filaments are termed hyphae.
A mass of hyphae is the mycelium (the feeding stage)
Walls of the filaments are of cellulose with chitin
Cells are eucaryotic; that is, they contain nuclei, mitochondria, other organelles
Nutritionally, all fungi are heterotrophic, mostly aerobic
Saprophytic--live off dead organic matter
Parasitic--obtain nutrients by penetrating tiny branches (haustoria) …showed first 75 words of 909 total…
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…showed last 75 words of 909 total…food for many northern animals ( reindeer, etc.)
Break down rocks into fine soil
Constituents
A fungus--ascomycete or basidiomycete (holds water, obtains nutrients)
An alga--green or blue-green (manufacture food)
Can be separated and and combined to synthesize a lichen
Reproduction
Production of ascospores, if the proper species of alga is encountered, a new lichen may be produced.
Also, in asexual reproduction,
Soredia are formed
One or more algal cells surrounded by a few hyphae.
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