
An example of a variation in dog breeds is the size of a dogs ears. List at least 4 more variations you see between the dog breeds to the left.
Make a guess, why do you think variation is important to what we've been talking about in class (natural selection, adaptation, genes)?
An adaptation that is positive and helps an animal survive is going to contribute (add) to natural selection. How so?
How does variation play an important role in natural selection?