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Evolutionary tree of mammals
The evolutionary tree of mammals shows that most of the mammals from the beginning had evolved from different types of reptiles,fish and amphibians. Eventually the mammals evolved into for mammal live reptiles or Pelycosaurs that are capable of feeding with mothers milk. The evidence that mammals have evolved is, they started as reptile like organisms that produced milk into furry warm blooded animals that give live birth and as well produce milk. Another reason is fish and amphibians are closely related to mammals, why they are related to mammals is they have similar structure, biochemistry, and genetic composition so they are very closely related.
The evolutionary tree of mammals shows that most of the mammals from the beginning had evolved from different types of reptiles,fish and amphibians. Eventually the mammals evolved into for mammal live reptiles or Pelycosaurs that are capable of feeding with mothers milk. The evidence that mammals have evolved is, they started as reptile like organisms that produced milk into furry warm blooded animals that give live birth and as well produce milk. Another reason is fish and amphibians are closely related to mammals, why they are related to mammals is they have similar structure, biochemistry, and genetic composition so they are very closely related.