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What Are the Differences Between Animals Belonging to the Aves Group and Those in the Mammalia Group? - Science

What are the differences between animals belonging to the Aves group and those in the mammalia group?

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Solution

  Aves Mammals
1. Most birds have feathers and they possess a beak. They do not have feathers and the beak is also absent.
2. They lay eggs. Hence, they are oviparous. Some of them lay eggs and some give birth to young ones. Hence, they are both oviparous and viviparous.
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APPEARS IN

NCERT Class 9 Science Textbook
Chapter 7 Diversity in Living Organisms
Q 4 | Page 94
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