Why are there so many different kinds of dogs?
How did dairy cows become so good at producing milk?
How is breeding dogs similar to or different from breeding apples?

Imagine you are a cat breeder who wants kittens. Choose two cats to be parents, then answer the questions 4-9. Which two cats did you choose?
Describe the traits their kittens might have.
What will the tail and body look like?
What will the face and ears look like?
Why did you choose your answers for questions 5-7?
Would all the kittens from those two cats look the same?