Antibiotic resistance happens when an antibiotic lost its ability in controlling or killing bacterial growth. At this moment the bacteria are already resistant to the antibiotic and are multiplying even though the drug is present. This is a natural phenomenon.
Nope it is not look it up on the Internet
Its called invasive species one example is the lion fish it rooms around the east cost of north America overpopulation harms the ecosystem
Photosynthesis: Chloroplast, Cellular Respiration: starts in chloroplast, but mostly in the mitochondria. Hope I helped!