Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 29, Problem 2TY
Summary Introduction
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Which of the following statements about fungi is false?a. Most fungi are multicellular.b. Fungal cell walls are composed of cellulose.c. Most fungi are nonmotile.d. Fungi digest their food before ingesting it.
The complete mass of fungal cell filaments that forms a fungus is called a:
a) Hypha.
b) Mycelium.
c) Spore.
What Division of fungi produce spores in sac-like structures, morels are an example, and many form cup-like structures in addition to the sac-like sporangia?
a) Zygomycota.
b) Ascomycota.
c) Basidiomycota.
3. lichen is best described as:
a) a Plant
b) A fungus.
c) An alga.
d) A symbiotic relationship between algae or cyanophyta; and fungi.
4. The Oomycota and slime molds are members of the Kingdom Fungi.
a) True.
b) False.
5. Into which taxon would you classify the following organism: a multicellular eukaryote, with a cellulose cell wall, that is photosynthetic, and has a number of tissues?
a) Excavata.
b) SAR.
c) Metazoa.
d) Plantae.
6. Which statement is not true of plant alternation of generations?
a) A gametophyte makes gametes.
b) A sporophyte is 2n.
c) A spore fuses with another spore to…
The life cycle of most fungi is best described by which of the following statements?
A Fungi are unique and have different mechanisms of reproduction
B Fungi only reproduce sexually
C Fungi have both sexual and asexual portions of their life cycle
D Fungi only reproduce asexually
E None of these
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- 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 hyphaearrow_forwardThe life cycles of perfect fungi are most similar to which other organism? a. Hydra that undergo asexual budding b. Diploid-dominant pea plants c. Haploid-dominant green algae d. Bacteria undergoing binary fissionarrow_forwardWhich of the fungi species below has gametes that do NOT resemble animal sperm. A. cryptomycota B. chytrids C. ascomycotaarrow_forward
- Although ascospores are produced by mitotic division, none of the spores develop into fungi that are identical to either parental hyphae. What is the BEST explanation for this observation? A. The spores inherit half their genes from each parent. B. The spores inherit haploid nuclei from their parents. C. The spores inherit mutations as a result of meiosis. D. The spores inherit mutations as a result of mitosis.arrow_forwardWhich is NOT an advantage of the dikaryotic stage in fungi? A. it generate genetic variation B. it increases the chances of the fungi of surviving and reproducing C. it allows the fungi to complete reproduction when conditions are appropriatearrow_forwardSome fungi can be viewed as coenocytic organisms that exhibit little differentiation. When differentiation does occur, such as in the formation of reproductive structures, it is preceded by septum formation. Why does this occur?arrow_forward
- Zygomycetes are different from other fungi because they do not producea. a mycelium.b. fruiting bodies.c. a heterokaryon.d. a sporangium.arrow_forwardA fungal hypha that contains two genetically different nuclei would be classified asa. monokaryotic.b. bikaryotic.c. homokaryotic.d. heterokaryoticarrow_forwardYou have been asked to consult for a biotech company that is seeking to understand why some fungi can live in very extreme environments, such as the high temperatures inside naturally occurring hot springs. The company has isolated two different fungal species, F. cattoriae and W. gravinius, both of which can grow at temperatures exceeding 95°C. The company has determined the following things about these fungal species (see attached image) By sequencing and examining their genomes, the biotech company hopes to understand why these species can live in extreme environments. However, the company only has the resources to sequence one genome, and would like your input as to which species should be sequenced and whether you believe a shotgun strategy will work in this case.arrow_forward
- When fungal hyphae meet in sexual mating, they first fuse their cytoplasms, and then later undergo a. Plasmogamy b. Karyogamy c. Cytogamy d. Ribosogamy e. Chomosogamyarrow_forwardWhich statement below is true about the most recently evolved groups (2 groups) of fungi? a the two most recently evolved groups are zygomycetes and ascomycetes b they have hyphae with crosswalls c they are only found in aquatic environmentsarrow_forwardWhy do fungi mostly occur in moist habitat? a) Their thin hyphae lose water quickly making them vulnerable to dehydration b) Their spores are small and vulnerable to dehydration c) Their sperm require water to swim to eggs d) Conidiophores require moisture for dispersal e) A and C f) C and Darrow_forward
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