Fungi lab review
Name four phyla of fungi
1) Zygomycota 2) Ascomycota 3) Basidiomycota 4) Lichens
What are the structures formed in asexual reproduction in phylum Zygomycota? The asexual spores are ________. (1n or 2n)
1n (haploid)
When biologists discover a sexual reproductive stage in members of Deuteromycota, they are reclassified into phylum __________________. Some species of Aspergillus and Penicillium have been reclassified
Ascomysota
________________ are spores formed through sexual reproduction in ascomycota fungi. What is an ascus?
Ascospores structure that produces ascospores
Spores which are produced asexually by ascomycota fungi are called _______________.
Conidia
Name and describe the three basic body shapes of lichens.
Folise crustose fruticose
What are the fungal and algal components of a lichen? How do they help each other?
Fungus provides housing Algea provides food
How do fungi obtain their nutrients?
Heteratropic and absorb
Which are lichens? What type of symbiosis do they represent?
Muttualistic realtaionship between a fungus and algae
Give examples of fungi in phylum Ascomycota. Name 2 diseases caused by parasitic sac fungi.
Peziza and yeast Cestnut blight an dutchelm
Distinguish between saprophytic and parasitic
Saprophytic- Lives off dead non living things Parasitic- lives off of living organisms
What are conidiophores?
Stalks form the myclium to the conidia
What are basidia and where are they located?
Structures that make basidiospores located in the gills
Why are members of phylum Deuteromycota called imperfect fungi (or asexual fungi)?
They lack a reproductive stage
hyphae
Thread like extention of cell
Members of phylum Zygomycota are called ________ fungi and form _____________ through sexual reproduction. Zygospores are _______. (1n or 2n) How are they formed?
Zygote fungi, Zygospores, 2n (diploids) fusion of + and - maintains types of mycelium and eventually fuse nuclei
mycelium
all the hypea together
What is a mushroom?
basidiomycota
__________________ are spores which are formed through sexual reproduction in basidiomycota fungi.
basidiospores
Give an example of a member of phylum Zygomycota.
black mold on bread
Yeasts are single-celled ascomycetes which frequently reproduce asexually by a process known as _________________. Describe this process. How are yeasts useful?
budding Small cells by pinching off the parent cell yeast is useful for baking and brewing
How are fungi harmful?
cause disuses
Members of phylum Basidiomycota are called _________fungi.
club
_____________________ are spores formed during asexual reproduction by fungi in phylum Deuteromycota.
conidia
chitin
molecule in the cell wall
Give an example of a beneficial deuteromycete. How is it beneficial?
penecilium
Name two members of phylum Deuteromycota that we observed in lab.
penecilium , aspergillius
Name some basidiomycota fungi.
puffball,earthstars, shelf fungi, coprinus mushroom
Name some human diseases caused by deuteromycetes
ringworm and athletsfoot
Fungi in the phylum Ascomycota are _________ fungi
sac
What is an ascocarp?
sac mushrooms (large structure)
How are lichens important?
soil formation
Define thallus
the body of the lichens
How are fungi beneficial?
they are decomposers
Name two plant diseases cause by parasitic basidiomycota fungi.
wheat rust and corn smut
