Bio 2 LAB test
Terms
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- An organism that is incapable of producing its own food
- Heterotrophic
- Explain how fungi obtain its food
- It secretes enzymes and digest their food externallu, then absorbed into the body
- What is an organism that obtains its own nutrients from organic materal of other living organisms? ( affects food source, often causing death)
- Parasites
- Grow on nonliving organic matter
- Saprobes
- Forms a bond that is beneficial to both the fungi and the host
- Mutualists
- an organism that recycles the products of life
- decomposer
- What are the two groups of organisms that are the main decomposers in ecosystems?
- Fungi and Fungal metabolism
- Give some examples of how fungi enrich our lives
- mushrooms of the fields, blue cheese, citric acid in soft drinks
- What are the 4 scientific phyla that the members of the kingdom Fungi are placed in?
- Chytridiomycota, zygomycota, ascomycota, and basidiomycota and "imperfect fungi"
- What are the common names for these four phyla
- Chytrids, Zygosporangium, sac fungi, club fungi
- Sporangia produce
- Spores
- What is another word for "the fungal body?"
- Mycelium
- What anchors the mycelium to the substrate?
- Hyphae
- Gametangium has how man nuclei?
- ONE
- What contains many diploid nucleuses?
- zygospore
- In the "forming fungi" meiosis eventually occurs in what?
- zygosporangium
- ________ eventually produce spores?
- zygospores or zygosporangium
- What Phylum is ZYGOSPORANGIUM (Forming Fungi) in?
- Phylum Zygomycota
- What Phylum is the Sac Fungi in ?
- Phylum Ascomycota
- What is the sac called that sexual spores are produced into in the Ascomycota?
- ASCUS
- Asexual spores in the Ascomycota are called what ?
- Conidia
- Another name for cup fungi is ?
- Peziza
- What is the fruiting body of a sac fungus called?
- asocarp
- Technical name for the mushroom (aka... gill fungi)
- Basidiocarp
- What phylum is the Club Fungi in?
- Basidiomycota
- A stalk is
- the base/neck like
- The cap is
- the top of the mushroom
- The gills are
- on the bottom of the cap
- What structures are produced on the gills?
- basidia (s) basidium (pl)
- What causes the basidiospores to shoot off of the basidia?
- it is due to the build up of turgor pressure
- Are basidiospores haploid or diploid?
- haploid
- A cell that contains two genetically different nuclei is referred to as being ____________
- dikaryotic
- Where does meiosis occur in the club fungi?
- basidia
- If a forester sees a shelf fungus growing off of a tree, what does it indicate about the tree?
- Low-valued (diseased) trees
- Why is fungus placed into the "Imperfect fungi?"
- it has no sexual stage
- Give 3 reasons why the Imperfect Fungi is considered economically important?
- 1. antibiotics 2. some have citric acid (in soft drinks) 3. used to manufacture cheese
- Fungi sometimes form a mutualistic relationship with organismas from what two kingdoms?
- bacterial and protist
- Lichens are an organism made up of _____________ and __________.
- fungi and cyanobacteria (green algae)
- What does green algae or cyanobacteria provide in the relationship in lichen?
- photosynthesis
- WHat does the fungus provide in the relationship of the lichen
- absorbs a portion of the carbs produced
- A mutualistic relationship between plant roots and fungi (fungus root)
- Mycorrhiza
- What does mycorrhiza gain from the root?
- Nutrients (carbs)
- How does the plant benefit from the mycorrhiza?
- IT receives more h2o