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प्रोटोthiरिया एवं metatheria में कोई तीन अंतर लिखिए |
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Answer» Answer: refer to the EXPLANATION: Explanation: i. Prototheria (Egg laying mammals) 1. EAR without pinna. 3. Oviparous. ii. Metatheria (Pouched mammals or marsupials) 1. Ear with pinna. 2. Marsupial pouch often present. 3. Viviparous |
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