Select the option which shows correct combination of three animals and their common feature.
Organisms | Character | |
1. | Silverfish Devilfish Jellyfish | Triploblastic |
2. | Sea urchin Sea horse Sea hare | Enterocoelomates |
3. | Earthworm Silkworm Roundworm | True coelom |
4. | Flying fish Flying fox Flying birds | Paired appendages |
Flying fish (Exocoetus, a bony fish), Flying fox (Pteropus, a mammal) and flying birds are included under Gnathostomata and have paired appendages.
Roundworm lacks true coelom (It has pseudocoelom).
Sea hare is a mollusc with schizocoelom.
Jelly fish is a cnidarian and is diploblastic.