AIIMS / NEET 2019 – Biology: Animal Kingdom (Lecture – 20) : Mammalia - Videos

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1. Mammals vs. others
2. Mammals – General features
3. Special features of Mammals
4. Specific adaptations

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44 COMMENTS

  1. first time 4 chambered heart developed in crocodile(reptiles) but had an aperture named Foramen of panizzae
    wheras firs time fully developed 4 chambered heart occured in birds(Aves)

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