744 MCGRAW-HILL’S SAT
8 8 888 8
- In saying that “Life is opportunistic” (lines
132–133), the author of Passage 2 suggests that
(A) only the most cunning animals survive
(B) evolution takes advantage of the unique
features of many different environments
(C) humans will likely always be the domi-
nant species on Earth
(D) the theory of evolution is probably
wrong
(E) all life forms seek to dominate others - The author of Passage 2 suggests that the “com-
plex creatures” discussed in lines 142–148 are
likely to believe that
(A) technological advancements are critical
to their survival
(B) life is unique to planet Earth
(C) there is no life on other planets
(D) life on all planets originates in the same
manner
(E) carbon is essential to the creation of life
18. The author of Passage 1 would most likely re-
spond to the statement in Passage 2 that “The
biosphere... offer” (lines 133–135) by saying that
(A) our planet also offers many dangers to
the biosphere
(B) the biosphere is filled with far more
complex life forms
(C) life on Earth has not evolved to such a
high level
(D) our planet does not offer so many
idiosyncrasies
(E) carbon is one of the most complex
elements in the universe
19. The authors of both passages would most likely
agree with which of the following statements?
(A) The estimates made by the Drake
Equation are surprisingly accurate.
(B) Mass extinction events are not a factor in
predicting the existence of extraterres-
trial life.
(C) Mathematical models are the most help-
ful means of learning about the develop-
ment of life in the universe.
(D) There is likely an abundance of life in the
universe that has yet to be discovered.
(E) Complex life is very common in the
universe.
STOP
If you finish before time is called, you may
check your work on this section only. Do not
turn to any other section of the test.