Question

what are connecting lines? Explain with the help of example?​

Answer 1

Answer:

Lungs fishes, e.g., Protopterus, Lepidosiren, and Neoceratodus are considered the connecting links between the fishes and amphibians. 5. Egg laying mammals; example duck billed Platypus (Ornithorhynchus) and spiny ant eater (Echidna) a connecting link between reptiles and mammals.

Answer 2

Lungs fishes, e.g., Protopterus, Lepidosiren, and Neoceratodus are considered the connecting links between the fishes and amphibians.  Egg laying mammals; example duck billed Platypus (Ornithorhynchus) and spiny ant eater (Echidna) a connecting link between reptiles and mammals.