Otoliths within the vestibule are important in sensing head position.
a. true
b. false
Ans: a. true
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The lens of the eye loses dowith age and cannot change from viewing distant objects and close objects as readily as before.
Answer the following statement(s) true (T) or false (F)
Which of the following are present in plant cells, but not animal cells?
a. cell walls, central vacuole, plastids b. cell walls, central vacuole, mitochondria c. central vacuole, lysosomes, mitochondria d. plastids, cell walls, Golgi complex
The result of double fertilization in an
angiosperm is
a. two embryos. b. an embryo and a megaspore c. an embryo and endosperm. d. an embryo and a pollen grain. e. an embryo and a female gametophyte.
The islets of Langerhans are in the ________ and produce ________.
A. stomach; hydrochloric acid B. liver; bile C. stomach; intrinsic factor D. pancreas; insulin E. mouth; saliva