Question

$\text{Platypus}$ is connecting link between:

• A. Reptiles and mammals
• B. Reptiles and birds
• C. Echinoderms and chordates
• D. Living and non-living

Answer 1

Answer: (A)

Reptiles and mammals

• $\text{Platypus}$ is a connecting link between reptiles and mammals.
• It shows mammalian characters like mammary glands, hair, diaphragm, single aortic arch etc.
• It also shows reptilian characters in having a large coracoid in the pectoral girdle and in laying eggs with yolk and shell.

So, the correct answer is option A.