Chapter 22

All fungi _________. a. are multicelled b. form flagellated spores c. are heterotrophs d. all of the above

Saprobic fungi obtain nutrients from ____________. a. nonliving organic matter b. living plants c. living animals d. both b and c

In ________ a hypha has few or no cross-walls. a. zygomcyetes b. sac fungi c. club fungi d. all of the above

The yeasts whose fermentation reactions produce carbon dioxide that makes bread rise are a type of __________. a. chytrid b. zygote fungus c. sac fungus d. club fungus

In many _________ an extensive dikaryotic mycelium is the most conspicuous phase of the life cycle. a. chytrids b. zygote fungi c. sac fungi d. club fungi

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

A mushroom is ___________. a. the digestive organ of a club fungus b. the only part of the fungal body made of hyphae c. a reproductive structure that releases sexual spores d. the only diploid phase in the club fungus life cycle

Spores released from a mushroom's gills are _____________. a. diploid b. haploid c. dikaryotic

____________ are fungi that produce flagellated spores. a. Chytrids b. Sac fungi c. Zygote fungi d. Club fungi

Nitrogen-fixing cyanobacteria often interact with a fungus as a ____________. a. mycelium b. lichen c. mycorrhiza d. mycosis

_____________ are mycorrhizal fungi with hyphae that grow into a root cell and branch inside it. a. Glomeromycetes b. Chytrids c. Zygote fungi d. Club fungi

Histoplasmosis is an example of a _____________. a. mycelium b. lichen c. mycorrhiza d. mycosis

Chestnut blight ______________. a. altered the species composition of eastern forests b. was caused by an introduced fungal pathogen c. was spread by wind-dispersed spores d. all of the above

Ergotism ______________. a. results from inhalation of fungal spores b. produces hallucinations and convulsions c. affects only those with weak immune systems d. all of the above

Match the terms appropriately. ________hypha ________chitin ________chytrid ________sac fungus ________club fungus ________lichen ________mycorrhiza a. produces flagellated spores b. component of fungal cell walls c. partnership between a fungus and one or more photoautotrophs d. filament of a mycelium e. fungus-root partnership f. forms sexual spores in an ascus g. many form mushrooms