Question:
List out some common features in Cat, Rat and Bat. (CCE2012, 2013)
Solution:
Cat, Rat and Bat belong to same class of mammalia. The common features are
1. Hair
2. Mammary glands
3. Integumentary glands
4. Seven cervical vertebrae
5. Diaphragm
6. 4-Chambered heart
7. External pinnae
8. Vivipary.