The principal place in the human ear where sound waves are amplified by means of the vibrations of tiny bones is the:
a. pinna
b. ear canal
c. middle ear
d. organ of Corti
e. inner ear
c
You might also like to view...
To which subtype of muscle tissue does a fiber with cross-striations and many peripherally located nuclei belong?
(a) skeletal. (b) cardiac. (c) smooth. (d) none of the above.
What do you know about covalent bonds? How does it relate to the question?
What will be an ideal response?
Of the following four islands at the same latitude, the
one possessing the fewest species is a. 1,000 square kilometers in area and 300 km from the mainland. b. 3,000 square kilometers in area and 100 km from the mainland. c. 100 square kilometers in area and 3,000 km from the mainland. d. 300 square kilometers in area and 1,000 km from the mainland. e. none of these.
When species are kept separate by preventing the formation of hybrid zygotes, the mechanism that keeps the species separate is known as a ________ isolating mechanism.
A. differential B. postzygotic C. adaptive D. prezygotic E. hybridization