Vestigial usually refers to traits which over evolution have lost their main function and are less useful than they once were.
In number one Hunter means that he thinks the teeth were from the ancestor whale shark but are now useless or nearly useless to the current whale shark.
<span>The correct option is B. Mike joined the Army, and he became more disciplined during the training. The correct way to connect these two clauses is to introduce a conjunction "and." A is incorrect because there should be a comma/conjunction between the words Army and he. C is incorrect because that semi colon is just randomly and incorrectly placed without a context. D is incorrect because there should also be the word "and" before "he."</span>
I agree B is the best choice the article is explaining to you that most of what your gonna do if you go is learn from the clowns how to be one lol
