Large Fungi (Leaving Cert Home Economics): Flashcards
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What are basidiomycetes?
What are basidiomycetes?
Major fungi class: mushrooms, toadstools, puffballs, shelf fungi
Basidia
Basidia
Reproductive structures producing spores in basidiomycetes
Basidiomycetes' role in ecosystem
Basidiomycetes' role in ecosystem
Decomposers breaking down dead organic matter, recycling nutrients
Haploid hyphae
Haploid hyphae
Thread-like structures from germinated spores with one gene set
Dikaryotic mycelium
Dikaryotic mycelium
Cell network, each cell has two genetically distinct nuclei
Fruiting body
Fruiting body
Visible mushroom structure above ground
Where are mushroom spores produced?
Where are mushroom spores produced?
In basidia on gills/tubes beneath cap
Process occurring in basidia
Process occurring in basidia
Meiosis - reduces chromosome number to haploid
How many spores per basidium?
How many spores per basidium?
Four haploid spores
Mushroom spore dispersal methods
Mushroom spore dispersal methods
Wind, air currents, animals
Mycelium
Mycelium
Main fungus body, like roots, digests organic matter
Main parts of a mushroom
Main parts of a mushroom
Cap (umbrella top) & stalk (stem)
What results from hyphal fusion?
What results from hyphal fusion?
Compatible haploid hyphae fuse to create dikaryotic mycelium
Phase of released mushroom spores
Phase of released mushroom spores
Haploid (one set of chromosomes)
Where do basidiomycetes grow?
Where do basidiomycetes grow?
Soil or decaying organic matter (logs, dead wood)