Which of the following explains why the owl
has its head almost upside down?
a. Photoreceptors are concentrated near the
bottom of the eye.
b. Photoreceptors are concentrated near the
top of the eye.
c. Loud music from a passing car caused
damage to the sense of balance.
d. It is trying to remove water from its ear
after a hard rain.
e. None of these are an accurate explanation
E
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If a small vessel is torn, which component of
the blood will temporarily fill the breach?
a. plasma proteins b. leukocytes c. platelets d. erythrocytes e. all of these
Constipation can be caused by all of the following except ____
a. emotional stress b. a low-fiber diet c. a sedentary lifestyle d. dehydration e. bacterial infections
All of the following are consistent with the law of conservation of matter EXCEPT:
a. there is no such thing as waste. b. matter is neither created nor destroyed but it can change form. c. any matter that is dangerous to living things is quickly biodegraded into a harmless form. d. one organism's waste matter is taken up by another organism and reused.
In hearing, the last place that pressure or sound waves pass through is the
a. bones of the middle ear. b. tympanic membrane. c. oval window. d. round window. e. tectorial membrane.