The average width of the continental shelves is
a. 1 mile.
b. 10 miles.
c. 40 miles.
d. 480 miles.
e. 4800 miles.
C
Biology & Microbiology
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Inbreeding is primarily due to ____
a. gene flow b. nonrandom mating c. neutral mutations d. natural selection e. adaptive radiation
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Which of the following traits is not seen in any species of lamprey?
a. backbone b. jaws c. oral disk with keratinized teeth d. metamorphosis
Biology & Microbiology
In which of the following cases would DNA
profiling be used?
a. to reconstruct population dispersals b. to identify the remains of dead people c. to solve crimes d. to trace ethnic hertiages e. to do all of these
Biology & Microbiology
Which of the following is an immature fern leaf?
a) petiole b) frondule c) featherhead d) fiddlehead e) sorus
Biology & Microbiology