Review 4 Flashcards
What is the major contribution that fungi make to ecosystems?
decomposers
recycle nutrients into soil and water, making the nutrients available to plants/other organisms
Which is the primary lifestyle of fungi, autotrophs or heterotrophs?
heterotrophs
Which polysaccharide stiffens the cell walls of fungi?
chitin
What is the term for the filaments that make up most fungi? What is the function of the filaments?
hyphae,
form the mycelium (underground)
Which group of fungi is non-septate?
rhizopus
Describe the dikaryon condition.
the fusion of two gametes puts two nuclei into the same cell
Which groups have the dikaryon condition?
sac fungi, club fungi
Name a human and plant pathogen in the sac fungi group.
human- athlete’s foot,
plant- Dutch elm disease
What is the function of a basidiocarp?
fruiting body of club fungi with gills, basidia, and spores
What are the two types of organisms that are part of lichen? What is their relationship?
sac fungi/club fungi,
mutualism (both benefit)
What type of fungi is single-celled? Name their group.
yeast,
sac fungi
What is the function of spores?
reproductive cells that serve as a resting stage or for dispersal by wind, by water, or by other organisms
What is the genus of the specimen you studied representing bread mold? Which portion of the life cycle of this specimen is diploid?
Rhizopus,
zygospore
Describe the asexual reproduction method of yeast.
budding
an asymmetrical division of the cell with one of the duplicated nuclei migrating into the daughter cell
How do spores and conidia differ?
spores- sexual,
conidia- asexual
