How can natural selection affect a predator-prey relationship in an ecosystem?
 Choose all answers that are correct.
 A
 Nature selects for traits that allow for increased rates of reproduction and survival over traits that don't.
 B
 Natural selection can influence both predator and prey populations.
 C
 Natural selection determines which generations will be influenced by natural selection.
 D
 One population is not affected by the changes in another population.