All three bacterial species are gram negative. Gram negative bacteria tend to survive better in Internal cavities of the body as they do not have thick cell walls like gram positive bacteria, so tend to "dry out" in dryer conditions like on the skin.
<span>So I would say the urinary tract provides them with a "good" living environment to thrieve and cause infection. They are all opportunistic pathogens. They are also all found naturally in nature in soil and plant roots so maybe this has something to do with it? </span>
The tooth's outer layer consists of the Enamel, Dentin and the Pulp.
<h3>What is a tooth?</h3>
A tooth is a hard resistant structure that is located in the mouth for crushing down before swallowing and digestion.
The tooth's outer layer consists of the Enamel, Dentin and the Pulp. The Enamel is the toughest of them all and located at the top layer of the teeth while the dentin is beneath the enamel layer of the teeth with the pulp in the middle.
Learn more on tooth layer here: brainly.com/question/10929330
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It is not D. 165 ( i know this is wrong but it wont let me submit without an explanation as to why it's wrong.)
decreased gas diffusion in the alveoli
I think A dont count me on that
