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mammalia
prototheria monotremes
| Question | Answer |
|---|---|
| mammalian features | mammory glands and feed young ones |
| reptilian features | cloaca oviparous |
| aquatic life features | webbed toes and bill similar to duck for instance duck bill platypus |
| some other features | secrete milk from pores on body means no nipples and external ear absent |
| examples | duck bill platypus and acidnia spiny ant eater |