Water loss from a terrestrial insect's surface is minimal due to which of the following structures?
A) chitin and the cuticle
B) tracheae and spiracles
C) a proteinaceous epidermis
D) a long alimentary canal
Answer: A
Biology & Microbiology
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Which blood type is the universal donor?
a. A b. B c. AB d. O e. none of these
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The rates of photosynthesis and respiration in a plant are controlled by the temperature in the
A) soil. B) air. C) leaf. D) root.
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The taxonomic grouping that would represent the next highest (more inclusive) level above that
represented in Figure 23-1 is: a. Family. b. Order. c. Class. d. Phylum. e. Kingdom.
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ATP is produced by
A. the electron transport system. B. The Krebs cycle. C. glycolysis. D. All of the choices are correct.
Biology & Microbiology