Question

Mammalia definition​

Answer 1

Answer:

Mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these characteristic milk glands, mammals are distinguished by several other unique features

Explanation:

I hope it will help you please mark me as brainliest and thank my answer

Answer 2

Answer

$\bigstar$ Mammalia are the group of vertebrates. These are warm blooded Endothermic vertebrates.

$\bigstar$ They are found in a variety of habitats like polar ice caps, mountains, grasslands and deserts.

$\bigstar$ The skin of mammals is unique in possessing hair and skin glands.

$\bigstar$ They have two pairs of limbs adapted for walking, climbing or swimming.

$\bigstar$ Mammalians heart are four chambered. Respiration is by lungs and kidneys metanephric.

$\bigstar$ They are viviparous with few exceptions and the development is direct.

Example :- Elephant, monkey,canis(dog) dolphin, tiger, lion, felis(cats).