Scientists rearrange classification groups as they discover new information, such as when DNA and molecular analysis revealed that dinosaurs have more in common with birds than with modern reptiles like alligators.

Authors

• Person: Not available Organization: Britannica
  biological classification - Students | Britannica Kids | Homework Help

Sources

• biological classification - Students | Britannica Kids | Homework Help kids.britannica.com Britannica via serper

Referenced by nodes (2)

• DNA concept
• birds concept