lecture 12 Flashcards
which organism type is fungi most closely related to?
nucleariids
what are nucleariids?
type of amoeba
multicellular
mainly aquatic
what are fungai in terms of energy source?
chemoheterotrophs but, they digest their food outside the cells
what type of chemoheterotroph are most fungi?
saporotrophs
what does a saporotroph do?
obtain carbon by breaking down dead organic matter in the soil or food
what is the cell wall of fungi made of?
chitin (rather than cellulose)
how do most fungi reproduce?
asexually, haploid throughout entire lifecycle
what makes Rhizopus (a zygomycete) different?
only reproduces sexually when environmental conditions are unfavorable or changing rapidly
are fungi spores produced sexually or asexually?
both
how do member of Basidiomycota reproduce?
sexually most of the time
do fungi produce sperm & eggs?
no
what happens during sexual reproduction in basidiomycota?
hyphae of opposite mating type fuse
what cellular structure is Chytridiomycota?
most are unicellular
Chytridiomycota reproduction
Asexual most common
Zygomycota cellular structure
multicellular
Zygomycota reproduction
Asexual or sexual in unfavorable conditions
Glomeromycota cellular structure
multicellular
glomeromycota reproduction
Asexual
Ascomycota cellular structure
multicellular (some unicellular)
Ascomycota reproduction
Asexual most of the time
Basidiomycota cellular structure
multicellular (some unicellular_
Basidiomycota reproduction
sexual
which fungi groups are decomposers? (saprophytes)
Basidiomycota
Ascomycota
Zygomycota
Chytridiomycota
all are also parasites
what is classification of fungi based on?
morphological characteristics
