Dismiss
Skip Navigation

Bird Evolution

Birds likely descended from a group of theropod dinosaurs that evolved during the Mesozoic era.

Atoms Practice
%
Progress
 
 
 
MEMORY METER
This indicates how strong in your memory this concept is
Practice
Progress
%
Practice Now
Turn In
Bird Evolution Practice
By CK-12
SCI.BIO.837.4
Please wait...
Please wait...