What is the most plausible explanation for why the male of most bird species have elaborate plumage and mating rituals?

A. sexual selection
B. natural selection
C. gene flow
D. genetic drift


Answer: A

Biology & Microbiology

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The Ecdysozoa include (select all that apply)

A. annelid worms B. mollulsks C. sea anemones D. arthropods E. vertebrates

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Which of the following items will not help treat or eliminate the symptoms of genetic disorders?

a. Dietary controls b. Hormone replacement therapy c. Exposure to carcinogens d. Prescription drugs e. Surgery

Biology & Microbiology

In pedigree charts, autosomal dominant disorders typically Select one:

a. appear only in males. b. appear in every generation. c. appear only in females. d. occur every third generation. e. seem to disappear in one generation, only to reappear in the next generation.

Biology & Microbiology

A major function of bile is to emulsify fats

____________________ Indicate whether the statement is true or false.

Biology & Microbiology