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Chapter 27 Quiz

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Question:
Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes closest to explaining the basis for placing these organisms in different taxa, well before relevant data from molecular systematics became available?
Answer:
a)  Some have cell walls only for protection from herbivores.
b)  Some have cell walls only for support.
c)  Some closely resemble animals, which lack cell walls.
d)  Some have cell walls only to control osmotic balance.
e)  Their cell walls are composed of very different biochemicals.
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Last Updated By newton.sharon on 02/02/2012
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Chapter 27 Quiz
Chapter 27 Quiz
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Free Quiz Question From Chapter 27 Quiz
Question: Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes closest to explaining the basis for placing these organisms in different taxa, well before relevant data from molecular systematics became available?
Answer:
Some have cell walls only for protection from herbivores.
Some have cell walls only for support.
Some closely resemble animals, which lack cell walls.
Some have cell walls only to control osmotic balance.
Their cell walls are composed of very different biochemicals.