many prokaryotes that are easily cultured in the lab are human or animal pathogens. why would these species be more readily cultured than non-pathogenic prokaryotes?

wegner's theory did not explain how the continents could move

explanation:

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.