Which of the following results would mean that a test-cross investigation was complete, given that a pigmented alligator (M_) is crossed with an albino alligator (mm)?
a) getting 3 offspring that are pigmented
b) getting 6 offspring that are pigmented
c) getting a single albino offspring
d) Both a) and b) are true.
e) None of the above is true.
Ans: c) getting a single albino offspring
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A. hypersalinic archaea B. autotrophic archaea C. psychrophile archaea D. hyperthermophilic archaea
Which of the following are biotic components?
A. trees, birds, insects, rainfall, and sunlight B. trees, birds, and insects only C. birds and insects only D. rainfall and sunlight only E. trees only
A fisheries biologist tells you she is studying a cohort of salmon returning to their birth river. What can you infer about those salmon?
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Which kind of metabolic poison would interfere with the glycolysis stage of cellular respiration?
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