Which one of the following is the correct set of characteristic features for bony fishes (Osteichthyes)?

Match the animal phyla/classes (Column X) with their unique defining set of characteristics (Column Y): • A. Phylum Platyhelminthes → (iii) Bilateral symmetry, acoelomate, triploblastic, usually with a flattened body and an incomplete digestive tract (if present) • B. Phylum Annelida → (iv) Segmented body (metamerism) with a true coelom, chitinous chaetae, closed circulatory system • C. Class Insecta → (v) Exoskeleton of chitin, three main body parts (head, thorax, abdomen), six legs, usually with wings in the adult stage • D. Phylum Echinodermata → (ii) Radial symmetry (often pentamerous as adults), water vascular system, exclusively marine, deuterostomes Which one of the following options represents the correct match?

Arrange the following animals on the basis of their phyla, according to increasing level of structural complexity: (A) Scolopendra (B) Nereis (C) Dentalium (D) Euplectella (E) Physalia Choose the correct answer from the options given below: