What does the highest point on a bell-shaped curve represent?
A) maximum amount of variation in a trait
B) heritability value of a trait
C) number of people in the population who are heterozygous
D) mean of the population
D
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The Rickettsial disease that killed Howard Ricketts and Stanislaus Prowazek was
A. louse-borne typhus. B. tick-borne typhus. C. yellow fever. D. bubonic plague
When comparing two groups, the ______________, the more confident we are of the conclusion that a significant difference exists in the groups.
A) larger the variation in each group B) smaller the variation in each group C) smaller the difference between the two groups D) fewer the number of individuals in each group E) more variables we measure
Hypothermia is defined as body temperature less than ____.
a. 91 degrees F b. 95 degrees F c. 93 degrees F d. 89 degrees F
Which of the following organs also produce hormones as a secondary function of the organ?
A. adrenal cortex B. testes C. thyroid D. ovaries E. heart