BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 20, Problem 9SA
Summary Introduction
Introduction:
A plant pathogen is referred to as an organism that causes disease in the plant. Plant pathogen reduces the ability of plants to produce fiber, food, and harms the economy. The plant pathogen includes viruses, bacteria, and species of protista.
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Chapter 20 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 20 - All protists _______. a. lack mitochondria c. live...Ch. 20 - Deposits of shells from ancient ________ have been...Ch. 20 - The presence of a contractile vacuole indicates...Ch. 20 - Prob. 4SACh. 20 - Prob. 5SACh. 20 - Prob. 6SACh. 20 - Prob. 7SACh. 20 - Some _______ are bioluminescent and other live...Ch. 20 - Prob. 9SACh. 20 - A high concentration of oil helps _______ stay...
Ch. 20 - Prob. 11SACh. 20 - Prob. 12SACh. 20 - Prob. 13SACh. 20 - Prob. 14SACh. 20 - Prob. 15SACh. 20 - Imagine you are in a developing country where...Ch. 20 - Which groups of protists are scientists most...Ch. 20 - Water in abandoned swimming pools often turns...Ch. 20 - Melvin Calvin and Andrew Benson determined the...Ch. 20 - The protist that causes malaria evolved from a...
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- Root nodules contain ________ , which can _____________ .a. Azotobacter, fix N2b. Nitrosomonas, nitrify NH3-c. rhizobia, fix N2d. Bacillus, denitrify NO3_arrow_forwardA scientist is interested in genetically engineering a fungus to hinder its reproductive process so that it does not spread fast. Which process should be disrupted to hinder fungal reproduction? A. Mycelium formation B. Nutrient absorption C. Septa formation D. Spore formation E. None of thesearrow_forwardA 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_forward
- Spores released from a mushroom’s gills are_____ . a. flagellated c. dikaryotic b. produced by mitosis d. haploidarrow_forwardThe wall dividing individual cells in a fungal filament is called a a. thallus b. hypha c. mycelium d. septumarrow_forwardWhen 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_forward
- Which of the following is NOT an example of a fungal spore? A. Zoospores B. Condia C. Endospore D. Basidiosporesarrow_forwardLike plants,_______ have chlorophylls a and b. a. diatoms c. green algae b. red algae d. giant kelpsarrow_forwardMost fungi obtain nutrients from_____ . a. nonliving organic matter c. living animals b. living plants d. photosynthesisarrow_forward
- Fungi would best be described as having which of the following life cycles? A. diploid-dominant B. alternation of generations C. gametophyte dominant D. haploid-dominantarrow_forwardThe hyphae of____ have no cross-walls. a. zygote fungi c. club fungi b. sac fungi d. all of the abovearrow_forwardYou are given a fungus to identify. It has a fruiting body that contains many structures with eight haploid spores lined up in a row. What kind of fungus is this? A. zygomycete B. chytrid C. deutromycete D. ascomycete E. glomeromycete It is not Darrow_forward
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