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Question
Which one of the following is/are feature/s of class Mammalia?
Which one of the following is/are feature/s of class Mammalia?
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Solution
The correct option is C All the above
- A four-chambered heart is present in all mammals. Birds and some reptiles like crocodiles also have a four-chambered heart.
- Mammals have mammary glands that produce milk to feed their younger ones.
- Mammals are warm-blooded animals. They are able to regulate their internal body temperature irrespective of the surrounding environment. A constant body temperature is thus maintained.
- Thus, the correct answer is option D.
- A four-chambered heart is present in all mammals. Birds and some reptiles like crocodiles also have a four-chambered heart.
- Mammals have mammary glands that produce milk to feed their younger ones.
- Mammals are warm-blooded animals. They are able to regulate their internal body temperature irrespective of the surrounding environment. A constant body temperature is thus maintained.
- Thus, the correct answer is option D.
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