Which of the following describes the postembryonic development that members of the order Thysanura (silverfish) have instead of metamorphosis?
a. a single, wingless nymph instar followed by several winged adult instars
b. a series of young instars that become more and more like an adult, ending with a wingless adult instar
c. a series of nymph instars that lack functional wings, ending with an adult instar with functional wings
d. several instars of often wormlike larvae, followed by a stage where they are a sessile pupa, and then ending in an adult stage that is very different from the larval stages
Ans: b. a series of young instars that become more and more like an adult, ending with a wingless adult instar
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A. A reaction that has a ?G = -8 kCal. B. A reaction that has a ?G = +8 kCal. C. A reaction that has a ?G = -16 kCal. D. A reaction that has a ?G = +16 kCal. E. A reaction that has a ?G = -14.6 kCal.
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Fill in the blank(s) with correct word
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A. alcohol B. aldehyde C. halogen D. heavy metal E. phenolic