Watch creatures you never knew existed evolve into modern day animals.
Select an animal, pinch/zoom to explore it's details and travel in time to view how life has changed over the course of 500,000,000 years.
Includes many hours of educational entertainment with audio that describes each animals habitat, diet, evolutionary history and description of how it is related to other animals.
下载地址：iTunes 或者AAP STORE 下载
