. The structure labeled "D" is the ____

a. aorta
b. right atrium
c. left atrium
d. trunk of the pulmonary arteries
e. superior vena cava


ANSWER: d

Biology & Microbiology

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Fill in the blank with the appropriate word.

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a. a line, extending from one point to another. b. the space an object occupies. c. the quantity of matter present in an object. d. the degree of hot or cold of an object.

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What is biology?

A) the scientific study of life B) the scientific study of the environment C) the scientific study of DNA D) the scientific study of ecosystems

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The biological specialty that deals with the reconstruction and study of phylogenies is called ________.

Fill in the blank(s) with the appropriate word(s).

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