Watch the "Natural Selection video by the Amoeba Sisters and pay very close attention after the first minute of the video. The example of the "frogs on a log"
highlights two important conditions required for natural selection that include
inherited variation and
Teams
O genetic drift.
O genetic recombination
O struggle to survive.
Universe
O nonrandom mating.

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.