Crayfish and ticks are classified into ______, respectively.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. Crustacean and Arachnida
Crayfish belongs to the class Crustacea, which includes aquatic arthropods like crabs, lobsters, and shrimps. Ticks belong to Arachnida, a class that includes spiders, mites, and scorpions.