Question

what are the main features of mammalia.?give answer??

Answer 1

hey mate!!

here is u r answer !!

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sweet glands and oil glands and oil glands are found in skin.

all these animals are warm blooded.

it's heart divided in four chamber.

skin of mammal have hair.

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pinna is present in mammal.

ok help u..

Answer 2

✌️✌️hey mate,

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➡️General features of Mammalia:

• The most unique mammalian characteristic is the presence of milk producing glands (mammary glands) by which the young ones are nourished.
• They are found in variety of habitats - polars ice caps, desserts, mountains, forests, grasslands and dark caves.
• They have two pairs of limbs, adapted for walking, running, climbing, burrowing, swimming or flying.
• The skin of mammals is unique in possessing hair.
• External ear or pinnae are present.
• Different types of teeth are present in the jaw.
• Heart is four chambered.
• They are homeothermous.
• Respiration is by lungs.
• Sexes are separate and fertilization is internal.
• Development is direct.
• The neck generally has seven cervical vertebrae.
They are Viviparous with few exceptions.

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thanks.....