Squid are in their own special group.
N they are a seperate group like amphibians,mammals,reptiles,birds and fish
Birds are neither mammals, nor reptiles. They are an entirely different branch of evolution. However, they are more closesly related to reptiles, which they descended from. Their evolution from reptiles caused them to resemble mammals.
Reptiles
No. In fact, dinosaurs are the ancestors of birds. Mammals separated from reptiles (a large group that still included what would become dinosaurs) about 300 million years ago, and birds evolved during the Jurassic period about 150 million years ago.
Mammals and birds are both descended from a group of vertebrates known as archosaurs. This group included early reptiles and gave rise to both dinosaurs (which birds evolved from) and the ancestors of mammals.
The largest group of reptiles are birds, lizards, snakes, and turtles.
There are many animals that are not classed as mammals or reptiles. firstly, you have the entire invertebrates group. for example spiders and insects. secondly, you have the vertebrates that are not mammals or reptiles, for example, birds and fish. but if you are wondering the name that incorporates the platypus and echidna, then they are called Monotremes
No, penguins are not reptiles. They are actually birds, belonging to the group of flightless birds classified as Spheniscidae. Penguins are known for their distinctive black and white coloration and their unique adaptation to aquatic life.
Amphibians, then reptiles, birds, and finally mammals!
Fish are their own group.
No. A mammal is a group name for a group of animals, just like reptiles, amphibians, birds, and fish. Humans are mammals, even the males.
probably mammoths and saber-tooth tigers but they were around in the ice-age