Question

duckbill platypus is a connecting link between anneldia and arthropoda
​

Answer 1

Answer

Duck-billed platypus (Ornithorhynchus) is a connecting link between reptiles and mammals. It shows mammalian characters like mammary glands, hair, diaphragm, single aortic arch etc. It shows reptilian characters in having a large coracoid in pectoral girdle and in laying eggs with yolk and shell.

.•♫•♬• Hope this helps you... ☺ •♫•♬•

Answer 2

Answer:

I know

Explanation:

Egg laying well-evolved creatures are the associating join among reptiles and vertebrates. For instance, the duck-billed platypus. They have a couple of mammalian characters, for example, hair, mammary organs, diaphragm while it lays eggs with yolk and eggshell like reptiles.

So, the correct option is 'Reptilia and Mammalia'.