Question

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what are the characteristics of the mamals ?​​

Answer 1

Answer ✅

: Mammals have hair or fur; are warm-blooded; most are born alive; the young are fed milk produced by the mother's mammary glands; and they have a more complex brain than other animals.

Answer 2

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MAMMALS :-

➪ Mammal are a group of vertebrate animals constituting the class Mammalia and characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones.

EXAMPLES :-

• Humans
• Elephants
• Whales
• Rabbits
• Hamsters
• Bats
• Rhinos

And several others.

CHARACTERISTICS OF MAMMALS :-

• Mammals are warm-blooded animals who give birth to their younger ones.
• They are the most dominant form of animals found in almost all types of habitats.

• They have mammary glands that help them produce milk to feed their younger ones

• Presence of region of the brain known as Neocortex

• Their skin possesses oil glands (sebaceous glands) and sweat glands (sudoriferous glands).

• The fur of hair throughout the body which helps animals adapt to their environment.

• They are heterodont, i.e., possess different types of teeth.

• Mammals also possess cervical vertebrae.

• The skull is dicondylic.

• The trunk is divided into thorax and abdomen.

• The mammals respire through lungs.

• Good sense of hearing as mammals are aided with 3 middle ear bones

• Mammals have a four-chambered heart. The sinus venous and renal portal system are absent.

• Presence of single-boned lower jaws.

• The brain is well developed divided into cerebrum, cerebellum and medulla.

• They possess 12 pairs of cranial nerves.

• Exhibit one of the most advanced forms of Diaphragms.

• The mammals can lay eggs also. They are known as viviparous.

@SweetestBitter