On the first question, x in the graph does not represent the changes over time. It shows the time and year of the problem. The second question's answer is also false. The teta or angle of the question does not also represent the changes over time but the year it is being studied.
Answer:
Plasmids.
Explanation:
Plasmids exchange genetic information and genetic immunities to other bacteria. It is also how antibiotic resistance can spread and proliferate to other bacteria as well.
It is ecosystem !!!!!!!!!!!!!!!!!!!!