Question

Write the characteristics of mammalia.
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Answer 1

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Characteristics of mammalia:-

$\longrightarrow$Their body is covered with hairs.

$\longrightarrow$Sweat and oil glands are present on skin.

$\longrightarrow$Mammary glands are present in females so that they can feed their young ones.

$\longrightarrow$Parental care Re developed in them.

$\longrightarrow$They have 4 chambered heart.

$\longrightarrow$They are warm blooded animals.

$\longrightarrow$They are viviparous.

$\longrightarrow$They have lungs for respiration.

$\longrightarrow$Example:- Humans, rats, cats, etc.

Answer 2

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✴ Characteristics of mamalia

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• 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.