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Diversity in Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms3 Marks
Question
List in the tabular form any three differences between the Aves and Mammalia group.
✓

Answer

Differences between the Aves and Mammalia group:
Aves
Mammalia
i
Body is covered with feathers.
Body is covered with hairs.
ii
Bones are hollow with air cavity for flying.
Bone is not hollow.
iii
They are oviparous.
They are viviparous with few exceptions.

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