Correct Answer : B
Question 3
According to the passage, the skeleton of a pterosaur can be distinguished form 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
E. location of the shoulder joint joining the wind to its body
Correct Answer : C
Question 4
The ides 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 dramatically over a period of time.
C. Animals within a given family group are unlikely to change their appearance
D. The origin of flight in vertebrates was an accidental development rather than the outcome
E. The pterosaurs should be classifieds as birds, not reptiles.
Correct Answer : B
Question 5
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
E. The lived primarily in a forest like habitat.
Correct Answer : A
Question 6
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 evidenced supporting each is given.