Two notable features that mammals have in common are that they all give birth to live young and they all have hair. Another thing that most mammals have in common is that the females make milk to feed their young.
Fur and mammary glands (in females).
Mammals are characterized by having hair or fur on their bodies and producing milk to feed their young. These are two key features that distinguish mammals from other animal classes.
First, our spines make us vertebrates. Giving live birth, and female milk glands are two features that make us mammals.
All mammals have hair and nourish their young with milk.
The Pfalz and Palatine are the two regions that are named because of the physical features that are common to the group of state.
Generally, mammals and reptiles are both vertebrates, meaning they have a backbone and endoskeleton. Reptiles and mammals also have their brains located inside a cranium and have two eyes.
They are warm-blooded and mothers make milk for thie young. All mammals have fur somewhere on their bodies, and the females of all mammal species have mammary glands with which they feed their young with milk. These are the two defining features of mammals. Most mammals give birth to live young, but the five species of monotremes (which have the above two characteristics) lay eggs instead.
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Any mammal. The two defining features of mammals are hair and feeding the young with milk. Mammals are a subsection of vertebrates (backbone-possessing animals), so they all have backbones too.
# They are made of rock # They do not posses rings
The presence of seeds and vascular tissue