Question
A researcher compares insect specimens while studying arthropod relationship. What feature should be emphasized in the report?
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Correct Answer: A. jointed appendages and a chitinous exoskeleton
Explanation:
Insects are arthropods because they share jointed appendages, segmented bodies, and a chitin-based exoskeleton. These features distinguish them from chordates, echinoderms, and molluscs.
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