Justify the statement"Mmmalia are the most succesful and dominat animal today" ?
Mammals have many unique characteristics that differentiate them from other animals. Most mammals have hair, or fur present on their body. They are also capable of regulating their body temperature. Mammals give rise to their youngones due to which they have high survival rate as compared to egg laying animals. These and various other characteristics have helped mammals to sustain in various environmental conditions.
Hope this clears your doubt,