Which of the following is true about natural selection?
A.
Natural selection causes changes in populations because of the differential reproductive success of genetically varied individuals.
B.
Natural selection causes changes in individual organisms because individuals adapt during their lifetime to better suit their environment.
C.
Natural selection acts upon asexually reproducing populations that lack genetic variation among individual organisms.
D.
Natural selection acts upon individual organisms by changing their genetic code through a process known as gene flow.
The answer is B, Natural selection is easier described as battle of the fittest the best will survive so that means the animals that learn to suit there environment will be able to pass on their genes eventually evolving