Classification of Organisms
All living organisms are grouped on the basis on their path of evolution
and the characteristics they share with other organisms, this of known
hierarchy. Hierarchy of classification is demonstrated below;
Groups .... Example; Man
Species: Homo. sapiens
So what about dinosaurs ?
Dinosaurs are member of class Reptillia,
Within the class dinosauria there are two orders;
Saurischia: (Sauros - Lizard; ischia -- hip)
Ornithischia:: (Ornith- Bird; ischia - hip).
Dinosaurs first emerged 228 Million years ago and died out 65 Ma .
To put this in perspective, consider the Earth's life History as one year,
the dinosaurs existed on Earth from December 11th to December 25th. Whereas
humans only arrived on December 31 at approximately 11:50 pm.
Figure 1 : Doodle of December