The structure labeled "A" is the ____
a. aorta
b. inferior vena cava
c. pulmonary artery
d. pulmonary vein
e. superior vena cava
ANSWER: e
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Coronary circulation involves ____
a. only the aorta b. only the coronary arteries c. only capillaries d. the aorta and coronary arteries e. the aorta, coronary arteries, and capillaries
Hawaiian fruit flies descend from a single common ancestor that reached the islands and rapidly diversified into a wide range of ecological niches. This is a good example of ________. [two words]
Fill in the blank(s) with correct word
A diploid individual has a maximum of __________ different alleles for a particular locus
a. one b. two c. three d. four e. more than four
Epidemiological investigations depend on being able to link a number of instances of an infection to ___________.
A) multiple people. B) multiple locations. C) a common source. D) a common state in the US.