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Question
Which of the following is a defining feature of Arthropods?
Which of the following is a defining feature of Arthropods?
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Solution
The correct option is C Jointed appendages
As the name indicates, members of Phylum Arthropoda possess jointed appendages (arthron = jointed, poda = foot). This means that each appendage is made up of segments with joins between adjacent segments. The joints of appendages bend in only one direction, but they allow for complete mobility, and they may also be modified for special functions depending on the organism. This development has helped arthropods move around easily by walking, creeping, crawling, swimming, and those with wings to fly.
Moreover, they have an open type of circulatory system, segmented body and generally do not regenerate. But these are not the defining features of the Phylum Arthropoda.
As the name indicates, members of Phylum Arthropoda possess jointed appendages (arthron = jointed, poda = foot). This means that each appendage is made up of segments with joins between adjacent segments. The joints of appendages bend in only one direction, but they allow for complete mobility, and they may also be modified for special functions depending on the organism. This development has helped arthropods move around easily by walking, creeping, crawling, swimming, and those with wings to fly.
Moreover, they have an open type of circulatory system, segmented body and generally do not regenerate. But these are not the defining features of the Phylum Arthropoda.
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