Which of the Following Best Describes Natural Selection

Multiple Choice

Which of the following best describes natural selection?

A) It is the idea that organisms with genetic traits that improve their ability to reproduce are more likely to pass those traits on to future generations.
B) It is a guess made by scientists about how life develops, but it has no hard evidence to support it.
C) It is the idea that the strong survive and the weak die off.
D) It is the idea that organisms naturally increase in complexity and intelligence with time.