As adults, female ground finches on the Galápagos island of Daphne Major choose their mates according to
characteristics they learned as young birds, a process known as ____.
a. sexual equilibrium
b. the founder effect
c. selective inbreeding
d. sexual imprinting
e. adaptive radiation
ANSWER: d
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You are studying the island biogeography of birds in the Caribbean islands and find a species-area relationship with a constant, c = 8.1, and an exponent, x = 0.15. Recall that the species-area relationship is defined as S = cAx
How many bird species would you expect to find on an island of 240mi2? A. 3 species B. 18 species C. 21 species D. 50,000 species
A woman has discovered she is pregnant. What should she avoid to reduce the risk of injuring the fetus or having a
miscarriage? What will be an ideal response?
On a field study in Costa Rica, you discover a new species of frog! After careful work to determine the size and range of the population, you conclude sadly that the species has very few individuals in an ever-shrinking limited range. The entire species could be wiped out at any time. When you write up your report on the frog, how should you describe its status?
A. Threatened B. Endemic C. Extinct D. Conservative E. Endangered
Which of the following are characteristics of attenuated viral vaccines?
a. They provide short-lived immune responses. b. They are easy to store and maintain their potency for long periods of time. c. They provide long-lasting T cell–mediated immunity. d. They do not develop long-term memory responses.