Question

Lungfish connects which two major groups of organisms?

Options

• Reptiles and amphibians

• Fishes and amphibians

• Amphibians and mammals

• Fishes and reptiles

Answer 1

Lungfish (Protopterus) is a living connecting link that connects fishes and amphibians. It possesses fish-like characteristics including paired fins, dermal scales, and gills, while also exhibiting amphibian-like features such as internal nares, a three-chambered heart, and lungs for air breathing.