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1) How are fungi classified?

2) What is the difference between a fungus that is a saprophyte and a fungus that is a parasite?

3) Where do Water molds grow?

4) Where do Terrestrial molds grow?

5) Of the following... Which are Sac Fungi?? Bread Mold, Yeasts, Lichens, rusts, puff balls, mushrooms, cup fungi, smuts, morels, bracket fungi.

6) Is budding a form of sexual or asexual reproduction. Explain.

7) What are some diseases caused by imperfect fungi?

8) How could the number of fungi classified as imperfect fungi decrease?

Thanks a million... I am sooo lost.

2007-01-23 16:48:32 · 2 answers · asked by wwefan3620 2 in Science & Mathematics Botany

2 answers

1. Fungi are classified by the way they make their spores.
2. Saprophytes absorb food from dead organic matter, and parasites absorb food from living hosts.
3. Water molds grow on some food source in fresh water - like on a dead minnow or a soaked seed.
4. Terrestrial molds grow on many different food sources - like dead plants or bread or fruits.
5. Sac fungi make their spores in sac-like structures called asci: yeasts, cup fungi, morels, (some lichens contain sac fungi)
6. Asexual. One cell just grows a bump on the side that develops into a new organism. There's no joining of gametes.
7. Athlete's foot, ringworm, aspergillosis of the respiratory tract, toenail fungus, valley fever
8. These are only called imperfect because scientists haven't found them to reproduce sexually. If a scientists discovers a type of sexual reproduction in imperfect fungus, it is reclassified into one of the other groups.

2007-01-23 17:11:52 · answer #1 · answered by ecolink 7 · 0 0

Here are some answers

7. Aspergillosis, aflotoxicosis, both caused by Aspergillus (different species though)

8. number of imperfect fungi will decrease if sexual stages are observed (imperfect fungi are fungi in which sexual reproductive stages have not been identified.

2. A saprophyte lives of of dead things. A parasite lives of of living things. The parasite will benefit from the host, but the host will not benefit and may be harmed by the parasite.

2007-01-24 00:57:11 · answer #2 · answered by ALM 6 · 0 0

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