Of the following four islands at the same latitude, the
one possessing the fewest species is
a. 1,000 square kilometers in area and 300 km from
the mainland.
b. 3,000 square kilometers in area and 100 km from
the mainland.
c. 100 square kilometers in area and 3,000 km from
the mainland.
d. 300 square kilometers in area and 1,000 km from
the mainland.
e. none of these.
Answer: c
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