Thank you for posting your question here at brainly. <span>Plasmids can be used to incorporate a desired gene into something else which is lacking the gene. An example would be that you could take a plasmid from a bacteria which is resistant to an antibiotic and put it into a bacteria which is not resistant to the antibiotic. Therefore, the insertion of the plasmid would make the susceptible bacteria resistant.</span>
5. System level
6. Organ level
Answer:
B. Salinity
Explanation:
Salinity Definition: of, containing, or resembling common table salt; salty or saltlike
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