The mobile stage of the cnidarian life cycle is the ________ stage

A) bilateral
B) polyp
C) tadpole
D) medusa


D

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

The utricle and saccule are functional parts of

the a. eye. b. Pacinian corpuscle. c. vestibular apparatus. d. nasal epithelium. e. vomeronasal organ

Biology & Microbiology