The mobile stage of the cnidarian life cycle is the ________ stage
A) bilateral
B) polyp
C) tadpole
D) medusa
D
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Which of the following types of selection favors the survival of individuals with the intermediate phenotype?
A. Disruptive selection B. Stabilizing selection C. Directional selection
Which of the following statements about tuberculosis (TB) is false?
A. MDR TB is more expensive to treat. B. Not completing a full course of antibiotic can select for MDR strains. C. HIV and TB can be transmitted in the same manner. D. The spread of TB can be very rapid. E. The reservoir of TB is humans and no vector is required for transmission.
Fossils and molecular techniques reveal that the closest ancient wolflike relatives of most modern dogs lived in ____
a. Asia b. Africa c. South America d. North America e. Europe
The utricle and saccule are functional parts of
the a. eye. b. Pacinian corpuscle. c. vestibular apparatus. d. nasal epithelium. e. vomeronasal organ