Chapter 12A and B Review
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Created by:
jonnyspitzer on March 21, 2012
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biology review
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48 terms
Terms | Definitions |
|---|---|
 Characteristics of Fungi | Eukaryotic, heterotrophic, external digestion, cell wall composed of chitin not cellulose, |
| What is the process called where yeast is used in alcoholic fermentation? | Levening |
| Give an example of beneficial fungi? | cheeses, mushrooms, medicine (penicillin) |
| What is the entire mass of intertwined hyphae called? | mycelia |
| Most fungi has asexual but also go thru sexual reproductions. What are three different types of asexual reproduction fungi go thru? | 1-Forming Spores 2-Budding 3-Fragmentation |
| What is the most common form of asexual reproduction? | Forming Spores |
| Where do we usually see budding what type of fungi? | Yeasts |
| What is it called when spores that reproduces asexual spores within on enclosure? | Sporangiophore |
| What is it callled when spores are not in an enclosore? | Conidiophore |
| What are the filament called that make up the fungal bodies - intertwined thread? | Hyphae |
| Hyphae have 6 jobs, shape and morphology determined that. What is mycelia? | They are the masses of intertwined hyphae that are visible without magnification |
| What is a rhizoid? | A type of Hyphae that are embeded in the material of the fungus - kind of like a root - not a root but a root like sturcture that supports the fungi and secretes enzymes to digest food |
| What is a haustoria:? | A type of hyphae (of parasitic fungi only) their job is to penetrate the host cell and robs the host of cytoplasm to obtain nutrition |
| What is Aerial hyphae? | They are not embedded - they absorb oxygen produce spores and spread the fungi |
| How do aerial hyphae spread the fungi? | They are in the air - the spores are release and each spore can start a new fungi colony |
| What is a stolon? | Stolons are aerial hyphae that connect groups of hyphae they run horizontally |
| What is a sporophore? | an aerial hyphae that produces spores |
| What are types of sporophores? | sporangeophores - produces enclosed spores conidiophore - produces nonenclosed spores |
| Sporangiophores with a sac is called? | ascus - sac that contains spores ascospore - the individual spore with in the ascos???????? |
| What is septate hyphae? | Hyphae that are divided into individual cells by cell walls called septa |
| What are septa? | The septa is a dividing plate that divides the hyphae into separate cells. Permeable and cytoplasm can go thru all the hyphae. |
| What is the difference between a septate hyphae and a coenocytic hyphae? | The septate hyphae are separated. The coenocytic does not have division btw cells and are multinucleate. The septate hyphae have just one nucleus in the hyphae cell. |
| What is dimorphism? | This is the ability of a fungi to change from a parasitic fungi to a saprophytic fungi |
| What is the difference btw a parasite and a saprophyte? | parasites feed of off living things and a saprophyte feeds off of dead organic material |
| What is the name of the largest living organism that is in Oregon? What is it? | Armillaria - huge field of mushrooms |
| Can fungi be plant parasites? | Yes - main job of fungi is to decompose - so can they be a parasite of a plant - yes definately. American Elm suffered from parasitic fungus Dutch Elm disease - field crops can be destroy |
| Are fungi our biggest competitor of foods in the plant kingdom? | Yes |
| Do fungi have true tissues? | No - no true tissues |
| What is the study of fungi called? | mycology - mycologists (people who study fungi) |
| Do fungi have chlorophyll? | No - they are heterotrophic |
| zoo | animal |
| rhizo | root |
| macro | large |
| phyta | plant - growth |
| pyro | fire |
| epi | upon or over |
| pod | foot |
| suedo | false |
| cide | to kill |
| cision | to cut |
| gymno | naked |
| meso | middle |
| peri | around |
| fibro | fiber |
| dermis, derm | skin |
| cycle | circle |
| nema | through |
| stoma | mouth, opening |
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