ICSE BoardEnglish MediumSTD 9BIOLOGYKingdom Animaliya3 Marks
Question
Describe the general characters of class Mammalia.
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Answer
general characters of class Mammalia. • The presence of hair or fur. • Sweat glands. • Glands specialized to produce milk, known as mammary glands. • Three middle ear bones. • A neocortex region in the brain, which specializes in seeing and hearing. • Specialized teeth. • A four-chambered heart.
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