1.

Match the columns:Column I (Organism)Column II (Characteristic Feature)1. Euplectella(a) Exoskeleton formed of placoid scales2. Periplaneta(b) Presence of mantle3. Sepia(c) Water canal system4. Scoliodon(d) Jointed appendages5. Clarias(e) Exoskeleton formed of cycloid scales

Answer»
Column I (Organism)Column II (Characteristic Feature)
1. Euplectella(c) Water canal system
2. Periplaneta(d) Jointed appendages
3. Sepia(b) Presence of mantle
4. Scoliodon(a) Exoskeleton formed of placoid scales
5. Clarias(e) Exoskeleton formed of cycloid scales


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