Although derived from three germ layers,the __________ lack coeloms.
A) cnidarians
B) platyhelminths
C) rotifers
D) nematodes
Correct Answer:
Verified
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A)Sugars.
B)amino
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Q20: The bacterium,Clostridium difficile,
A)is readily treated with drugs.
B)is
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A)is an important adaptation for survival in
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Q25: The enamel of the mammalian tooth is
Q26: _ is a hormone secreted by the
Q27: _ is an appetite-suppressing hormone secreted by
Q28: Of the cells lining the gastric pits
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