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Q. Though plants, fungi, and prokaryotes all have cell walls, we classify them under different taxonomic units. Which of the observations below comes closest to explaining the basis for placing these organisms in different taxa?
a. Some closely resemble animals that lack cell walls.
b. Their cell walls are constructed from very different biochemicals.
c. Some have cell walls only for support
d. Some have cell walls only for protection from herbivores.
e. Some have cell walls only to control osmotic balance
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