A fish pumps __________ blood through its heart as
does the __________ side of the bird and mammalian
hearts.
a. oxygenated; right
b. oxygenated; left
c. oxygen-poor; right
d. oxygen-poor; left
e. mixed; left
Answer: c
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__________ is one form of learning that happens only during a sensitive period early in life. Fill in the blank(s) with the appropriate word(s)
The number of offspring that could be born is the
A. sex ratio. B. exponential growth phase. C. population. D. reproductive capacity.
The segments of a tapeworm that contain female and male sex organs are called
A. glycocalyxes. B. scolexes. C. proglottids. D. sporocysts. E. cercariae.
The cochlea is
A) a coiled structure found in the inner ear. B) part of the organ of Corti. C) involved in the maintenance of body temperature. D) part of the middle ear.