Natural Selection is the process by which individuals better suited for survival tend to produce more offspring and over time the population changes to reflect their characteristics.This process can be summarized in 4 steps:
1) ____________ usually results with more offspring being produced that can survive
2) _________exists within any population
3) With limited resources, only individuals with favorable traits are ___________ to survive
4) Over time ,the differential reproductive success results in a population that has _______​