Which Class groups ticks alongside spiders and scorpions?
Answer
Arachnida
The classification system places ticks within the Class Arachnida. This grouping signifies a shared evolutionary history and fundamental biological characteristics with other well-known groups such as spiders, mites, and scorpions. While Arachnida is nested within the Phylum Arthropoda (which covers all creatures with segmented bodies and exoskeletons) and contains the Order Ixodida (hard ticks), Arachnida is the specific taxonomic rank that unites these distinct groups of eight-legged arthropods.

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