51) As inferred from the passage, the skeleton of a
pterosaur is distinguishable from that of a bird by the
A) Length of its wingspan
B) Hollow spaces in its bones
C) Anatomic origin of its wing strut
D) Evidence of the hooklike projections on its hind feet
Answers
70. It can be inferred from the passage that scientists now generally agree that the
(a) enormous wingspan of the pterosaurs enabled them to fly great distances
(b) structure of the skeleton of the pterosaurs suggests a close evolutionary relationship to bats
(c) fossil remains of the pterosaurs reveal how they solved the problem of powered flight
(d) pterosaurs were reptiles
71. The author views the idea that the pterosaurs became airborne by rising into light winds created by waves as
(a) revolutionary
(b) unlikely
(c) unassailable
(d) probable
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72. According to the passage, the skeleton of a pterosaur can be distinguished from that of a bird by the
(a) size of its wingspan
(b) presence of hollow spaces in its bones
(c) anatomic origin of its wing strut
(d) presence of hooklike projections on its hind feet
73. The ideas attributed to T. H. Huxley in the passage suggest that he would most likely agree with which of the following statements?
(a) An animal’s brain size has little bearing on its ability to master complex behaviors.
(b) An animal’s appearance is often influenced by environmental requirements and physical capabilities.
(c) Animals within a given family group are unlikely to change their appearance dramatically over a period of time.
(d) The origin of flight in vertebrates was an accidental development rather than the outcome of specialization or adaptation.
74. It can be inferred from the passage that which of the following is characteristic of the pterosaurs?
(a) They were unable to fold their wings when not in use.
(b) They hung upside down from branches as bats do before flight.
(c) They flew in order to capture prey.
(d) They were an early stage in the evolution of the birds.
75. Which of the following best describes the organization of the last paragraph of the passage?
(a) New evidence is introduced to support a traditional point of view.
(b) Three explanations for a phenomenon are presented, and each is disputed by means of specific information.
(c) Three hypotheses are outlined, and evidence supporting each is given.
(d) Recent discoveries are described, and their implications for future study are projected.
76. It can be inferred from the passage that some scientists believe that pterosaurs
(a) lived near large bodies of water
(b) had sharp teeth for tearing food
(c) were attacked and eaten by larger reptiles
(d) had longer tails than many birds
Dont know number 51 but I do know 70-76 if these are your questions