The traditional class Reptilia is ____ because it does not include all descendants of the most recent common ancestor
of reptiles.
a. monophyletic
b. paraphyletic
c. polyphyletic
d. sister taxa
e. cladistic
b
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If you were given a large showy flower with three petals, six stamens, and three carpels, would you consider it likely to be:
A. a monocot B. a eudicot C. a hybrid D. Amborella trichopoda E. none of the choices provided
Of the following media, which provides the NAD necessary for the growth of Haemophilus spp.?
a. 5% sheep blood agar b. Brain-heart infusion agar c. Chocolate agar d. Nutrient agar
Which of the following is most likely to share electrons with other atoms in joint orbitals?
a. chlorine (7 valence electrons) b. calcium (2 valence electrons) c. argon (8 valence electrons) d. carbon (4 valence electrons) e. potassium (1 valence electron)
An adult typically breathes ____ times per minute
a. 10 b. 12 c. 14 d. 16 e. 20