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Funguy

fungi
by

nick keating

on 3 October 2012

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Transcript of Funguy

Fungi Presented by Nick, Angie, and Hannah - Fungi are eukaryotic and have cellular organelles
and nuclei.

- All fungi are heterotrophic, and ingest their
surroundings.

- Some are parasites obtaining nutrients from living
organisms, though most are saprobes that digest
and recycle materials from dead organisms.

- In addition to digestive enzymes, some fungi
manufacture powerful alkaloids that, when digested by
humans, assail the nervous system which causes
hallucinations and even death. Characteristics of Fungi - They are organisms that live near or on their food supply.
- They are consumers that absorb dissolved matter by secreting digestives enzymes on the food.
- All fungi have spores except for yeast and imperfect fungi.
- They are eukaryotic cells and have a rigid cell wall.
- Over 100,000 species have been found Overview - A combination of a fungus and alga that grow
intertwined.
- Unlike fungi, lichens are producers.
- Unlike algae, lichens can withstand drying out
because of the protective walls of the fungus.
- Lichens need only air, light, and minerals to grow.
This is why lichens can grow on rocks.
- Lichens absorb water and minerals from the air.
As a result, they are easily affected by air
pollution. Lichen - Forms in fine threads
- Fluffy, cottony masses, shapeless
- Mold on bread, used to make tofu and soy sauce, causes potato blight, downy mildew
- Important decomposer
- Grows in and around roots of plants, helps plants absorb minerals and water Threadlike Fungi Sources Reproduction of Threadlike Fungi
Asexually
- Spores are contained in sporangia that grow
at the end of the “threads"
- The sporangia explode and the spores shoot out.
- Spores stay dormant until conditions are right for
growth
Sexually
- 2 hyphae join and develop into special sporangia
- can survive cold and drought Sac Fungi (Ascomycetes or Ascomycota)
•Sac called ascus contains spores
•Parasites- feeds off another organism
•Includes Truffles and morels , powdery mildew, yeast Sac Fungi Yeast
- single celled
- reproduces by budding-new cell pinches off of an existing cell
- Only type of fungi that reproduces by budding
•majority is underground but when it needs to reproduce, the fruiting body forms, basidiocarp
•reproduce sexually-spores are located along the gills
•common types: bracket fungi, puff balls, smuts , rusts
•Bracket fungi is important in breaking down wood Club Fungi (Basidiomycota): the Mushrooms
•don’t fit into any of the groups
•scientists don’t understand their life cycles
•reproduction not identified
•"leaf spot fungus" infects sweetgum trees Imperfect Fungi (Deuteromycota or Deuteromyctes) "Threadlike Fungi - Zygomycota." Ashscience7. N.p., n.d. Web. 23 Sept. 2012. <http://ashscience7.wikispaces.com/Thread-like Fungi>.

"Fungi." Fungi. N.p., n.d. Web. 23 Sept. 2012. <http://www.davidlnelson.md/Cazadero/Fungi.htm>.

Conrad, Jim. "Imperfect Fungi." Imperfect Fungi. N.p., 15 Dec. 2011. Web. 23 Sept. 2012. <http://www.backyardnature.net/f/fungimpf.htm>.

"Fungi." Clintoncc.suny.edu. N.p., n.d. Web. 23 Sept. 2012. <http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20102/bio%20102%20lectures/fungi/fungi.htm#Phylum: Basidiomycota (Club Fung>.

"Characteristics of Fungi." Characteristics of Fungi. N.p., n.d. Web. 28 Sept. 2012. <http://www.uwlax.edu/biology/volk/fungi3/sld009.htm>.

CliffsNotes.com. Characteristics of Fungi. 30 Sep 2012
<http://www.cliffsnotes.com/study_guide/topicArticleId-23791,articleId-23747.html>.
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