Chapter 23

Biology: The Unity and Diversity of Life · 14 exercises

Problem 1

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

3 step solution

Problem 2

Most fungi obtain nutrients from ______. a. nonliving organic matter b. living plants c. living animals d. photosynthesis

3 step solution

Problem 3

In ______ , a hypha has no cross-walls. a. zygote fungi b. sac fungi c. club fungi d. all of the above

5 step solution

Problem 4

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

4 step solution

Problem 5

In most ______ , an extensive dikaryotic mycelium is the longest-lived phase of the life cycle. a. chytrids b. zygote fungi c. sac fungi d. club fungi

4 step solution

Problem 6

The mycelium of a multicelled fungus is a mesh of filaments, each salled a ______. a. septa b. hypha c. spore

5 step solution

Problem 7

A mushroom is ______. a. a fungal digestive organ b. the only part of the fungal body made of hyphae c. a reproductive structure that releases sexual spores d. made of haploid hyphae

4 step solution

Problem 8

Spores released from a mushroom's gills are ______. a. flagellated b. produced by mitosis c. dikaryotic d. haploid

7 step solution

Problem 9

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

5 step solution

Problem 10

Nitrogen-fixing cyanobacteria often partner with a fungus to form a _____. a. mycelium b. lichen c. mycorrhiza d. fruiting body

4 step solution

Problem 11

_______ are fungi that live as intracellular parasites. a. Glomeromycetes b. Chytrids c. Microsporidia d. Club fungi

4 step solution

Problem 13

All ______ form partnerships with plant roots. a. Glomeromycetes b. Chytrids c. Microsporidia d. Club fungi

4 step solution

Problem 14

Budding is a mechanism of ______ in yeasts. a. extracellular digestion b. asexual reproduction c. defense d. toxin production

4 step solution

Problem 15

Match the terms appropriately _____ club fungus _____ chitin _____ penicillin _____ sac fungus _____ zygote fungus _____ lichen _____ mycorrhiza _____ hypha _____ ringworm a. first discovered in a sac fungus b. component of fungal cell walls c. partnership between a fungus and one or more photoautotrophs d. basidocarp producer e. fungus-plant partnership f. forms sexual spores in an ascus g. bread mold is an example h. fungal skin disease i. strand of many cells arranged end to end

11 step solution

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