Examine Figure 23.2 in your textbook. According to this figure, the amphibians are a _____ group
A. monophyletic
B. paraphyletic
C. polyphyletic
A
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Which group of plants best represents the sister clade to angiosperms?
a. Amborella
b. Nymphaeales c. gymnosperms d. bryophytes e. charophytes
A light microscope can clearly resolve two
structures in a cell if they are no closer together than __________ percent of the shortest wavelength of visible light. a. 90 b. 80 c. 75 d. 60 e. 50
List at least two statistical terms commonly used in the analysis of quantitative traits
What will be an ideal response?
Amino acids and other organic molecules were formed in the laboratory of Miller and Urey from which of the
following? a. hydrogen, methane, water, ammonia, and electrical discharge b. heat, ultraviolet radiation, water, carbon dioxide, and amines c. heat, infrared radiation, water, carbon dioxide, and free nitrogen
d. heat, electrical discharge, water, nitric oxide, and carbon dioxide e. ultraviolet radiation, electrical discharge, carbon dioxide, nitrogen, and ammonia