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Question
In arthropods, segmentation is absent _____________.
In arthropods, segmentation is absent _____________.
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Solution
The correct option is A Externally
Answer is option A i.e. "Externally"
Segmentation means the division of animal's body into a series of repetitive segments. It is only external in arthropods. In arthropods, internally the segments are not marked by partitions. Therefore thorax, head and abdomen are fused. Also, coelom region does not contain any segment.
Answer is option A i.e. "Externally"
Segmentation means the division of animal's body into a series of repetitive segments. It is only external in arthropods. In arthropods, internally the segments are not marked by partitions. Therefore thorax, head and abdomen are fused. Also, coelom region does not contain any segment.
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