The membranous labyrinth of the inner ear consists of the:a
saccule, utricle, and three semicircular canals.
b. vestibular canal and oval window.
c. cochlea, tympanum, and three bones.
d. statoliths and hair cells.
e. endolymph, perilymph, and the organ of Corti.
A
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Xylem sap and soil water differ in _________ because of ___________
A. solute composition; selective uptake by the endodermis B. solute composition; selective uptake by mycorrhizae C. solute composition; selective uptake by the epidermis D. pH; H+ exclusion by the endodermis
The photosynthetic membranes of the green sulfur bacteria are called ________.
A. chlorocytes B. chloroplasts C. chlorophylls D. chlorosomes
Archaea that have been cultured in the laboratory include
a. Crenarchaeota and Euryarchaeota. b. Crenarchaeota and Korarchaeota. c. Euryarchaeota and Korarchaeota. d. Euryarchaeota and Nanorarchaeota. e. Nanoarchaeota and Korarchaeota.
Refer to Figure 31-5. In which class is this organism placed?
A. Cephalopoda
B. Gastropoda
C. Polyplacophora
D. Bivalvia
E. Chromodoris