Biology Questions and Answers

(Greg DeLong) #1

Biology Questions and Answers


Fungi are heterotrophs and


decomposers (thbeings) and they activelyey break down dead participate in (^)
the recycling of organic material in
ecosystems.ecological interaction with Some fungi keep mutualistalgae or
cyanobacteria, forming lichen, and with
plant roots, forming mycorrhizas.



  1. What is the utility of fungi
    for some industries?


Fungi are industriallyproduction of fermented beverage, used in the (^)
bread, cheese, etc. Some fungi are very
important fodrugs. There are fungi processer the production of medicald to
serve as food for humans, like eatable
mushrooms.



  1. What are lichens? How do
    fungi participate in this
    ecological interaction?


Lichens are formed by mutualistecological interaction between fungi and (^)
algae or between fungi and
cyanobacteria.interaction, the fungi absorb In this ecologicalwater that (^)
is then used by algae (or
cyanobacteria), ancyanobacteria), as autotrod algae (orphs, pr (^) oduce
organic material in excess to serve as
food for the fungi.



  1. What are mycorrhizas?
    How does each participant
    benefit in this ecological
    interaction?


Mycorrhizas are interactions between fungi and somemutualist ecological (^)
plants roots. Fungi provide to thmore water and mineral salts and obtaine plant (^)
organic material from the vegetable.



  1. What are the main human
    diseases caused by fungi?
    The main human diseases caused by


fungi are coccidioidomycosis,histoplasmosis, blastomycosis, (^)
paracoccidioidomycosis, or South
American blastomycosis,aspergillosis and systemic sporotrichosis, candidiasis.
Fungi are also rdermatologic diseasesesponsible f or many
(dermatomycosis) that affect the skin,
the nails, the scalp, etc.
On the other hand, many fungi are able
to produce antibacterialcombat diseases. In the second substances thatworld
war, in German jails, Russian prisoners
that acceptless skin infection ed to eat molthan thdy bread hadose that
refused the food. In China, sauce has millennial past use moldy soyagainst
infections. Penicillin, a potent antibiotic,
was discoveFleming when he observed thered in 1928 by Alexan der
antibacterial activity of fungi from the
genus Penicillium.
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