Answer:
d increase of antibiotic resistance in bacteria
Explanation:
Increasing number of antibiotic resistance in bacteria reinforces Darwin's idea of evolution by natural selection.
Charles Darwin was one of the foremost scientist that researched about evolutionary trends in organisms.
One of his revolutionary works is the idea of natural selection. In natural selection, certain phenotype are favored due to environmental influence and this makes them have evolutionary advantages.
He suggested that organisms that have evolved certain genetic make up will survive competition and would naturally be favored.
Increasing antibiotic resistance in bacteria is one of such example.
