<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation

Animal Evolution

The first animals likely evolved from marine protists that clumped together in colonies.

Atoms Practice
Estimated3 minsto complete
%
Progress
Practice Animal Evolution
Practice
Progress
Estimated3 minsto complete
%
Practice Now
Animal Evolution Discussion Questions
Student Contributed
A list of student-submitted discussion questions for Animal Evolution.

Reviews

Please wait...
Please wait...

Original text