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.
The SIMPLE predicate is returned.
Hope that helps!
This paragraph is stating that no matter who, or what you are, we all come from the same blood and live on the same earth.
Purpose of a Thesis Statement. A thesis statement is usually the last sentence of the first paragraph of a composition. It states the topic of the paper and the argument the author will make about the topic.