Advertisement Upgrade to remove ads

Wheat Stem Rust

infection that begins with a spore lands on a wheat plant and fungal filaments invade the plant through it's stomata. --> led to Ug99
-single greatest threat to the world food supply @ this time

Fungi

eukaryotic heterotroph with cell walls of chitin; obtains nutrients by digesting them outside the body and absorbing them.
-are heterotrophs
-have walled cells and digest food outside of the body.

saprobe

organism that feeds on wastes and remains

mycelium

mass of threadlike filaments (hyphae) that make up the body of a multicelled fungus.

hypha

component of a gungal mycelium; a filament made up of cells arranged end to end.

dikaryotic

having two genetically distinct nuclei

fungal spore

a cell or cluster of cells, often with a thick wall that allows it to survive hasrsh conditions.

Three distinct groups of Fungi

1.Chytrids
2. Glomermycetes
3. zygote fungi

Chytrids

1. oldest fungal lineage
2. only living fungus that make flagellated spores
3. parasitizes amphibiens.

Zygote fungus

1. Fungus that forms a thickwalled zygospore during sexual reproduction.

Glomeromycetes

1. Fungus with haphae that grow inside the wall of a plant root cell.
2. Plant shares sugars with it's fungal roomate- which provides it with nutrients taken up from the soil.

Sac Fungi

1. Most diverse fungal group; sexual reproduction produces ascospores inside a saclike structure (an ascus).

Club Fungus

1. typically multi-celled
2. cross-walled alphae
3. sexual spores form inside club-shaped cells on a fruiting body, or basidiocarp, composed of interwoven dikaryotic hyphae.
4. only fungi capable of breaking down the lignin in wood.

lichen

a composite organism composed of a fungus and a single-celled photosynthetic partner.
2. Most often consists of sac fungus and cyanobacteria or green algae

mutualism

mutually beneficial relationship between two species

mycorrhiza

mutually beneficial relationship between a fungus and a plant root

ergotism

toxin, food poisoning

All fungi

are hetertrophs

Saprobic fungi obtrain nutrients from

nonliving organic matter

in _________, a hyphae has few or no cross-walls

zygomycyetes

The yeasts whose fermentation reactions produce carbon dioxide that makes bread rise are a type of...

sac fungus

In many _____, an extensive dikaryotic mycelium is the most consipirucuous phase of the life cycle.

Club Fungi

The mycelium of a multicelled fungus is a mesh of filaments, each called a...

hypha

A mushroom is

a reproductive structure that releases sexual spores

Spores released from a mushrooms gills are

haploid

____ are fungi that produce flagellated spores

Chytrids

Nitrogen-fixing cyanobacteria often interact with a fungus as a

lichen

_______ are mycorrhizal fungi with hyphae that grow into a root cell and branch inside it

Glomeromycetes

Histoplasmosis is an example of

mycosis

Chestnut Blight

1. Altered the species composition of eastern forests
2. was caused by an introduced fungal pathogen
3. was spread by wind-dispersed spores

Ergotism

produces halucinations and convultions

hypha-

filmaent of a mycelium

chitin-

component of fungal cell walls

chytrid-

produces flagellated spores

sac fungus

forms sexual spores in an ascus

club fungus

many form mushrooms

lichen

partnership between a fungus and one or more photoautotrophs

mycorrhiza

fungus-root partnership

haploid-

half of a chromosome pair (sperm and egg_)

diploid-

complete choromosome pair (all other cells in your body)

the majority of fungus is

haploid

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set