Question

State any two characteristics of mammalian. Name two egg laying mammals.

Answer 1

1.mammals are most advanced group of animals with a very well developed brain
2.they have teeth, neck,heart,pinna,limbs also they possess mammary glands.its also maintain its body temperature.
***echidna & Duck-Billed Platypus **

Answer 2

Mammals are warm blooded vertibrates and are in the class Mammalia.They are one of the most best adaptive animals on earth.

Some special characteristics of mammals are as follows:

Mammals have comparatively a large brain and that makes us humans and other mammals superior than reptiles and aves.
Tha ratio of the body mass and the brain is much higher compared to other animals.

Mammals have mammary gland which is the main source of food for the new born baby.

And the egg laying mammals are called monotrems.
There are only five living monotrems and thermy are platipus and four living species of echinda.

Some scientists say that monotrems are premative animals because they are in the middle point of bird and reptiles.

Additional: You might know or not that birds are evolved from reptiles.

That's it
Hope it helped (*^。^*)