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For major phylum of fungi
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Chytridiomycota
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Unit 2 L fungi

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For major phylum of fungi chytridiomycota, zygomycota, ascomycota
Chytridiomycota chytrids, most ancient, parasites, has flagella but are non fungal characteristic, motile spores
zygomycota bread molts Most are saprophytic and their vegetative hyphae lack septa common genus is rhizopus
What is the modified hyphae of a zygomycota called rhizoids
Stolons connecting hyphae and sporangiophores (asexual reproductive)
Sporangiophores upright hyphal filaments supporting asexually repoducing sporangia
What is within a sporangium haploid nuclei become spores and are released to the environment when the sporangium matures and break open
Rhizopus black bread mold and is isogamous + or -
sexual reproudction in zygomycota Hyphae of each strain touch each other (gametangia appears as swelling) The wall between the gametangia break down and cells fuse (plasmogamy) fusion of nuclei karyogamy and occurs in the zygosporangium.
What happens after the zygosporangium forms the zygotes undergo meiosis. one or more of resulting sopres soon germinates. The hyphae of the germinating cells break out of the zygosporangium produce a sporangiophore via mitosis and form spores asexually.
In what structure is the dakr pigment of rhizopus concentrated sporangia
Is the rhizopus reproducing sexually as well as asexually in the same petri dish yes, because sporangia as well as zygospores are visible
Sac fungi ascomycota, yeast molds morels and truffles. Reproduce asexually by formed spores called conidia. A modified hyphae called conidiophores partition nuclei in longitudinal chains of breadlike conidia. ea. contains 1+ nuclei. Conidia -> rhizopus.
Created by: lilram
 

 



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