Features of the Class Crustacea are

Options :
  1. Malphigian tubules and trachea
  2. Gills and antennal gland
  3. Book gills and book lungs
  4. Malphigian tubules alone
Answer and Explanation :-

Answer: Option 2

Explanation:

Crustacea breathe through the body surface or gills and excretion takes place through autumnale gland

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