PLEASE HURRY!
Organisms must have variation with a population in order for natural selection to occur.
A)a frog living in a pond is eaten by a predator, while others in the same population survive.
B) a snake living in a desert produces more offspring than other snakes in the same population
C)some rabbits living in a forest have short, spotted ears, while others have long white ears.
D) some birds living in a grassland eat less than other birds who eat the same food