Several diagrams of the platypus - both external and internal - can be found at the related link below.
Internal - they're mammals.
Platypus fertilisation occurs internally.
internal. the male needs to 'mate'with the female
Internal diagram for a acura integra manual transmission
There is very little available out there that speaks to the anatomy of a platypus. The related link below will show a general picture of the brain, as well as written material about the rest of the internal anatomy.
internal diagram of ic 7812
It is a mammal and all mammals are vertebrates because they have internal skeletons and backbones.
explain functional diagram of LF 398
No, a platypus does not have scales. It has dense, sleek, waterproof fur.
It is a vertebrate because it has a spinal column in its skeletal system. Also it is a mammal, although it lays eggs, and every mammal (or other warm-blooded creature, like a bird) is a vertebrate.
the architecture diagram in the software project is nothing but the diagrammatic representation of the internal features of the project