Fishes are

Phytoplanktons rarr Zooplanktons rarr Small fishes rarr Large fishes rarr Killer whales The population of smalI fishes will increase with

As compared to cartilaginous fishes, bony fishes have dorsal fin

As compared to cartilaginous fishes, bony fishes have dorsal fin

As compared to cartilaginous fishes, bony fishes have dorsal fin

Tuna fish and sword fish are :

Assertion : Lung fish is connective link between fishes and amphibia. Reason : Lung fishes show characters of both fishes and amphibia.

Assertion : Lung fish is connective link between fishes and amphibia. Reason : Lung fishes show characters of both fishes and amphibia.

Distinguish between Bony fishes and cartilaginous fishes

Write differences between cartilaginous fishes and bony fishes.