Which of the following cavities has the highest density of cardiac muscle tissue?
A) pleural cavity
B) abdominal cavity
C) thoracic cavity
D) cranial cavity
C
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What was an early selective advantage of a coelom in animals? A coelom _____
A) contributed to a hydrostatic skeleton, allowing greater range of motion B) was a more efficient digestive system C) allowed cephalization and the formation of a cerebral ganglion D) allowed asexual and sexual reproduction
Which of the following will NOT develop into one
or more gametes? a. spermatogonium b. polar bodies c. primary oocyte d. spermatid e. secondary spermatocyte
Most people born with recessive disorders are born to parents who are both _________ or carriers for the recessive allele.
Fill in the blank(s) with the appropriate word(s).
Transpiration is most closely associated with:a
the atmosphere. b. terrestrial plants. c. the ocean.
d. groundwater. e. bacteria.