Reservoir - An organism in which a parasite that is pathogenic for some other organism lives and reproduces without harming its host.⏎
Plasmid - A ring of DNA usually found in bacteria that is separate from and can replicate independently from DNA in a chromosome and can provide bacteria with some advantages, such as antibiotic resistance.⏎
Pathogen - A biological agent that causes disease.⏎
Replication - The process of producing a copy of a strand of DNA.⏎
Reproduction - The process by which parent organisms create new offspring by either sexual or asexual means.⏎