Explanation:
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm.
50% because they would produce two Rr.
Ecologists make models to gain insight into complex phenomena such as the effects of global warming on ecosystems.
hope this helps
A mutation in DNA affects the entire protiens synthesis process by producing the incorrect amino acids in the wrong places, causing issues with the ability of the organism to survive depending on what the protein is in charge of.
I suggest the easiest bat to study for your report are Vampire Bats