The group in an experiment that all the conditions stay the same is the control group.
Answer:
The bedbugs began to die, but then they mutated to become immune to the chemical being used on them, so then they were able to regain their population. Most of the time, in order to get rid of bedbugs, people just burn their mattress' because bedbugs mutate and become immune fast becase their life cycle is so short.
Please Mark BRAINLIEST
The ear cavity (which is affected in infectious otitis) is connected by a duct (the Eustachian tube) to the nasopharynx located behind the nasal fossae.
Otitis is related to a bacterial or viral infection, which most often contaminating the middle ear as a result of rhino-sinusitis or rhino-pharyngitis by borrowing the Eustachian tube or vice versa (otitis media evolving towards a pharyngitis).
Pathogens generally invade the body, in their invasion they can duplicate and cause confusion such as hijacking your cells, thus they cause infection and disease. Some of these pathogens are spread through air, sweat, blood, excrete (urine/feces), or general human contact with anything concealing the pathogen.
