I don't see any underlined words in the sentence. However, I'll just post my answer based on my understanding.
Where there is water ⇒ subordinate clause
There are mosquitoes ⇒ independent clause
Independent clause is a complete sentence. It has a subject, a verb, and expresses a complete thought.
Subordinate clause is a dependent clause that starts with a conjunction. It also has a subject and a verb but it is dependent on the main clause.
The reader might become more attached to Buck, and if it was told from the trainer's point of view, it might change the reader's opinon on Buck, and make it more on the trainer's side.
Answer:
To be negligent is to be neglectful.
Oh it’s Parallelism! Hope this helps you out! :)