QUESTION

Medium

Science & Technology

Prelims 2014

Among the following organisms, which one does not belong to the class of the other three?

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Explanation

Mites, scorpions, and spiders are all classified within the class Arachnida.

Crabs, although arthropods like the others belong to the class Crustacea.

Therefore, the crab is the odd one out due to its different taxonomic classification.

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