21. In lecture, we focused on the six most diverse taxa within the Coleoptera. T

ID: 206744 • Letter: 2

Question

21. In lecture, we focused on the six most diverse taxa within the Coleoptera. These included the

a. Chrysomelidae, Psocoptera, and Neuroptera.

b. Curculionidae, Chrysomelidae, and Staphylinidae.

c. Curculionidae, Carabidae, and Thysanoptera.

d. all of the above

e. none of the above

22. Adult beetles represent the “perfect pollinator” because they

a. have specialized morphological structures that enhance pollen transfer.

b. have mouthparts that do not damage flowers.

c. are very specific and limit visitation to only a few types of flowers.

d. two of the above

e. none of the above

23. Which taxon is arguably the most important economically?

a. Curculionidae

b. Thysanura

c. Staphylinidae

d. Mantodea

e. Carabidae

24. Members of the Coleoptera are

a. predators

b. phytophages

c. parasitoids

d. two of the above

e. all of the above

25. Lice are secondarily wingless. This occurred because

a. they are ectoparasites and did not need wings for this lifestyle.

b. in the past there was selection against individuals with wings.

c. in the past there was genetic variation for wings within the taxon.

d. two of the above

e. all of the above

Ans21:

. In lecture, we focused on the six most diverse taxa within the Coleoptera. These included the:

(B) Curculionidae, Chrysomelidae, and Staphylinidae.

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