Biology Chapter 21: Homework Hmwrk 21-1 1. What are three characteristics of fungi? 2. Draw the structure of a multicellular fungus. 3. What is mycelium? What is its purpose? 4. What are spores and where are they produced in some fungi? 5. Describe how spores disperse and germinate to form new fungi. Hmwrk 21-2 1. What are the roles of bread mold hyphae in attaching to bread? 2. What is a gametangia and what does it produce? 3. What is an ascus and what happens inside it? 4. Describe why bread rises and why there is no alcohol taste in bread. 5. What are club fungi and what is a basidium? 6. What kinds of fungi are placed in the Deuteromycota phylum? Hmwrk 21-3 1. What are saprobes? 2. Why are fungi important in maintaining ecosystem equilibrium? 3. Describe one fungal infection in great detail. 4. What are lichens? 5. What are mycorrhizal relationships? 1 Biology Chapter 21: Study Guide Section 1 Chitin Mycelium Sporangia Hyphae Fruiting body Sporangiosphore Know the characteristics of fungi Know the structure of a multicellular fungi including being able to label a diagram Know what fairy rings are Be able to describe both sexual and asexual reproduction of fungi Know what fungal mating types are called Know the different methods fungi use to spread themselves from one location to the next Section 2 Zygospore Conidia Basidium Rhizoid Ascus Basidiospore Stolon Ascospore Gametangia Budding Know the characteristics of the common molds Know the structure and function of bread mold Be able to describe the life cycle of bread mold and label a diagram on it Know the characteristics of the sac fungi Know the asexual and sexual reproduction methods of ascomycetes and be able to label a diagram of an ascomycete life cycle Know what yeast are, how they reproduce and what humans use them for Know the genus name for the common baking yeast Know the characteristics of the club fungi Be able to describe and label a diagram of the life cycle of basidiomycetes Know the different varieties or diversity of club fungi including edible and inedible fungi Be able to explain why you should never eat mushrooms you find in the wild Know how fungi are usually classified Know why fungi are placed in the Deuteromycota phylum Know the best known imperfect fungi and its human importance Section 3 Saprobe Lichen Mycorrhiza Know how fungi may have played an important role in the colonization of land Know the different methods fungi use to obtain energy Know the importance of decomposers in the ecosystem Know the following fungal diseases including symptoms and infected host corn smut athlete’s foot Cordyceps infection mildews ringworm wheat rust yeast infections Know what symbiotic relationships are and why they exist Know what lichens and mycorrhizae are and the characteristics of each 2