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PLP Quiz 3 Symbiosis
Terms in this set (10)
________________ is a relationship between two organisms in which one is benefited and the other is harmed.
The relationship between an oxbird and a water buffalo is an example of __________ relationship.
a. none of the above
Which of the following is a nitrogen fixing bacterium?
a. Rhizobium japonicum
b. Phyllactinia guttata
c. Plasmodiophora brassicae
d. Xylella fastidiosa
A. Rhizobium japonicum
Which class of pathogens ONLY survive in living tissue?
d. Non-obligate parasite
Which fungal phyla do endomycorrhizal fungi belong to?
Which fungal phyla do conks, brackets and mushroom forming fungi belong to?
From what types of tissue(s) do saprobes obtain their nutrition?
a. living only
b. saprobes are the fungi which can convert electromagnetic radiation directly into fungal sugars
c. dead only
d. both living and dead
C. Dead only
Which structure allows fungal pathogens to penetrate plant cells?
a. fungi do not enter the cell walls of their hosts
Chlorosis is the appearance of yellow/pale spots on leaves due to disruption of which plant organelle?
Why are viruses not included on the tree of life?
a. viruses do not contain the same types of nucelic acids as other froms of life so the mlecular data is not comparable
b. viruses are not alive
c. viruses are too small for modern sequence methods to work
d. viruses are non-cellular life, and the tree of life only traces the evolutionary history of cellular life
D. Viruses are non-cellular life, and the tree of life only traces the evolutionary history of cellular life
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