Fungi

Fungi belong to the classification domain of
Eukarya
What carbohydrate makes up the cell walls of fungi?
Chitin
What part of the fungus grows within the food source?
mycelium
What part of the mycelia grows along the surface of the fungus food?
Stolon
A symbiotic union between an alga and a fungus.
Lichen
Mutualistic relationship formed between fungi and the roots of vascular plants
mycorrhizae
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The hyphae that anchor the fungus to its food source.
rhizoid
Tangled mass of hyphae
mycelium
Slender filaments that compose the body of the fungus
hyphae
Fungi that attack plants are called
Rusts
The group of fungi that has no sexual stage/cannot reproduce sexually
deuteromycetes
Plants can grow successfully in infertile soils if the plants have ____?
Mycorrhizae
Examples of Zygomycota
bread mold, mold on fruits
Examples of Ascomycota
yeasts, morels, truffles, thrush
Examples of Basidiomycota
mushrooms, rusts, smut, puff balls, shelf fungi, stinkhorn
Examples of Deuteromycota
ringworm, athletes foot
aka “Club Fungi”
Basidiomycota
aka “sac fungi”
Ascomycota
aka “Imperfect Fungi”
Deuteromycota
List four traits of all fungi
eukaryotic cells, heterotrophic, no tissues, nonmotile, cell wall of chitin, filamentous/hyphae
true or false: Fungi can be parasitic
True
true or false: fungi can be mutualistic
true
true or false: Fungi digest food first and then absorb it.
True – absorptive heterotrophs
true or false: Fungi have chlorophyll
false
Two reasons fungi are not classified with plants
1. no chlorophyll
2. cell wall chitin, not cellulose
What are saprobes?
organisms that feed on dead or decaying matter
What are two hyphae called that are involved in sexual reproduction?
+ and –
What are fruiting bodies
The part of the basidiomycota fungi that is seen above ground.
The “first fungi”
Chytridiomycota
Which fungi have a temporary motile stage?
Chytridiomycota have flagella
Each hyphae is one ____ cell.
continuous (with many nuclei)
Crop damaging fungi include
rust, smut, mold, mildew
How are fungi classified?
by the sexual reproductive structures that they form
What are ascus?
sacs in the ascocarp that form sproes called ascospores
Where do fungi grow best?
warm, moist environments with shade
What are the three types of fruiting bodies?
basidia, sporangia and ascus
What does the sporangium produce?
sporangiospores
What are ascocarps?
specialized hyphae formed by parent fungi during sexual reproduction
Where are basidiospores released from?
the gills
What is the sexual spore called in zygomycota?
zygospore
What is the reproductive structure of zygomycota called?
sporangium
What is the study of fungi called?
mycology
What are basidium?
Sexual reproductive structures that make basidiospores.
What asexual reproduction do most fungi use?
spores
How do fungi break down the food outside of their bodies?
release digestive enzymes
What are some diseases caused by ascomycota?
Dutch Elm and Chestnut Blight
Are fungi single celled or multicellular?
Most are multicellular but some like yeast are single celled.
All hyphae within a mycelium share ____ so materials can move quickly.
cytoplasm (some have septa/partial wall between areas)
The phyla or divisions of the kingdom fungi include
Ascomycota, Basidiomycota,Chytridiomycota zygomycota, and Deuteromycota
When conditions are favorable, which form or reproduction (sexual or asexual) is preferred by fungi?
Asexual
When conditions are not favorable, which form of reproduction (sexual or asexual) is preferred by fungi?
Sexual
A chemical used to kill fungi?
Fungicide