Answer: I think it's closed
Explanation:
similarities
1. Both are a good workout.
2. Can be played in singles or doubles.
3. Require some type of paddle.
differences
1. Pickleball uses an underhand serve.
2. Tennis has a bigger court.
3. The balls are two completely different styles. A pickleball is made of plastic, and a Tennis ball is rubbery.
They are most likely to contract the disease due to heredity.
I believe it is called a zygote...
I'm sorry that's probably not much help to you, but I tired.