your answer is data asasas
The correct answer would be D.
After many generations, only those with genes suitable to live in harsh environments can live. These genes are passed onto their offspring and then we see a rise in antibiotic resistant strains of bacteria such as Methicillin Resistant Staphylococcus Aureus (MRSA).
"An example of mutualism in the rainforest is the pollination of the Durian tree by bats."
They have more little impact because they are renewable