I believe the correct answer is - <span>This drug helps people lose more weight than diet and exercise alone.
It says here in the text - 48% of the people who took these drugs along with exercise and diet lost weight, whereas only 23% of those who had exercise and diet (but no drug) lost weight. Obviously, this shows that more people who took the drug lost weight than those who didn't.
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Answer: A) sporopollenins
Explanation: Sporopollenin is one of the most chemically inert biological polymers. They contain mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids. They make up the outer wall of pollen grains, spores and many microorganisms.
It is difficult to place Marella in any of the sub phylum of living arthropods because living arthropods have branched or no antennae while the Marella have branched legs and unbranched antenna. <span />
Intermediate phase is the answer
