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9. The evolution of insect wings is a “mystery” because a. many taxa have second

ID: 206741 • Letter: 9

Question

9. The evolution of insect wings is a “mystery” because

a. many taxa have secondarily lost wings that function in flight.

b. the ancestral state of the Hexapoda is the presence of wings.

c. protowings were too small to function in flight.

d. two of the above

e. none of the above

10. The orders Ephemeroptera and Odonata

a. are placed in the monophyletic clade called the Paleoptera.

b. are hemimetabolous.

c. exhibit a separation of habitat and habitat between larvae and adults.

d. two of the above

e. all of the above

11. The Orthopteroid orders are unresolved with regard to phylogeny. This might be because

a. there is an excess of shared derived characters.

b. all of the orders are hemimetabolous.

c. there has been rapid evolution rendering extant taxa exceedingly dissimilar from one another.

d. two of the above

e. none of the above

12. Members of the order Orthoptera

a. commonly possess structures for producing sounds.

b. have enlarged metathoracic legs.

c. are all mandibulate.

d. two of the above

e. all of the above

Explanation / Answer

The answer to question 9

Option d - Two of the above

The answer to question 10

Option e - All of the above

The answer to question 11

Option c - there has been rapid evolution rendering extant taxa exceedingly dissimilar from one another.

The answer to question 12

Option e - all of the above