Structures used for bulk transport include all of the following except:
A. the mesoglea of jellyfish.
B. the circulatory system of humans.
C. the vascular tissues of plants.
D. the tubular cells of giant kelps.
E. All of these options are structures used for
bulk transport.
A
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True or false: protozoa comprise the taxonomic group with the broadest range of genome sizes, including the smallest and largest genome, among all eukaryotes. Consult Figure 13.8 if necessary
A. true B. false
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Indicate whether this statement is true or false.
Which of the following is true regarding some insect tracheal systems?
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How much mercury can the average human
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