Which flatworms are parasites of vertebrates and have a head modified into a scolex with hooks and suckers for attaching to places such as the intestinal wall of hosts?
a. Trematoda
b. Cestoda
c. Turbellaria
d. Polychaeta
Ans: b. Cestoda
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There is more carbon per unit of soil in cold polar regions than in the warm tropics
Indicate whether the statement is true or false
A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between _____
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