Question 3 :Carl wants to add two new characters to the extraterrestrial battleship game he's building in order to have multiple players battling each other. This not only helps him create engagement for users, but it adds excitement to his recreational game. One character is a water-based alien with only one eye and 8 legs, resembling the features of an octopus. The second character is a land-based alien with no eyes, 3 claws, and 3 legs, resembling the features of a crab. Which is the best explanation why there is only one class with the new characters?