This storyboard does not have a description.
At first, the mice's environment looked this and the brown fur trait was better adapted their environment. The brown mice had fitness.
Over time their environment changed to look like this.
The mice still had to watch out for the hawk, but the could now see the brown mice better.
Natural selection worked through an existing variation in the mice population. The green fur trait is better suited to the new environment
The green now have fitness.
Through the long process of natural selection, the brown have become extinct!
Explore Our Articles and Examples
Try Our Other Websites!
Photos for Class
– Search for School-Safe, Creative Commons Photos (It Even Cites for You!
– Easily Make and Share Great-Looking Rubrics
– Create Custom Nursery Art