- All four organisms (Crab, Mite, Scorpion, Spider) belong to the phylum Arthropoda. - Within Arthropoda, they are further classified into classes. - Crab belongs to the class Malacostraca, which is part of the subphylum Crustacea. - Mite, Scorpion, and Spider all belong to the class Arachnida.
Among the following organisms, which one does not belong to the class of other three?
Asked in UPSC IAS 2014 · Topic: Taxonomy (Taxonomic Characters and Evidence (Morphological, Anatomical, Cytological, Molecular))
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