Natalie has noticed that when her dog had puppies, the puppies looked very different from the mother and from each other. This was due to natural genetic variation. Which of the following describes how genetic variation contributes to evolution? A Genetic variation within a population means that all organisms will be better suited for survival.
B Genetic variation results in offspring only receiving from their parents’ helpful characteristics.
C Genetic variation increases the ability of a species to survive environmental changes.
D Genetic variation results in a higher number of offspring produced in each generation.