Difference between mammals and non mammals
Mammals and non-mammals are differentiated by several characteristics:
1. Body covering: Mammals have skin covered with fur or hair, while non-mammals may have scales, feathers, or bare skin.
2. Reproduction: Mammals give birth to live young ones, while non-mammals typically lay eggs.
3. Mammary glands: Mammals possess mammary glands that produce milk to nourish their young, while non-mammals lack this characteristic.
4. Warm-bloodedness: Mammals are endothermic (warm-blooded), meaning they can regulate their body temperature internally, while non-mammals are typically ectothermic (cold-blooded), relying on their environment to regulate their body temperature.
5. Breathing: Mammals breathe using lungs, while non-mammals may have gills (like fish) or specialized breathing organs like spiracles (like some insects).
6. Feeding: Mammals typically nurse their young with milk, while non-mammals have various feeding mechanisms such as through mouthparts, beaks, or specialized teeth.
7. Brain complexity: Mammals generally have relatively large and complex brains compared to non-mammals.
These are some of the key differences that set mammals apart from non-mammals.