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