A) dinosaur
B) monotreme mammal
C) marsupial mammal
D) eutherian mammal
Correct Answer: B
Solution :
Ornithorhyncus anatinus (Duckbilled platypus) is a monotreme mammal, which belongs to sub-class-Prototheria (primitive egg laying mammals), order- Monotremata (living prototherians).You need to login to perform this action.
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