Question
Cyclostomata and Pisces
✓
Answer
| Cyclostomata | Pisces | ||
| (i) | The skin is soft and without any scales. | (i) | The skin shows presence of scales. |
| (ii) | Endoskeleton is cartilagenous. | (ii) | Endoskeleton is cartilagenous or bony. |
| (iii) | Most of them are ectoparasites. | (iii) | They are free living. |
| (iv) | These animals have jaw-less mouth. | (iv) | These animals have mouth with presence of jaws. |
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