Consider the following HTML code: <a href="http://www.habitat.org/support/default.aspx#DonateOnline"> habitat.jpg </a>. What does the internal hyperlink in this example do?

The internal hyperlink in the provided HTML code links to an internal anchor in an external file. This is evident from the structure of the URL. The portion after the hash symbol (#) represents an anchor within the target webpage (in this case, "DonateOnline" on "http://www.habitat.org/support/default.aspx"). When a user clicks on this link, they are directed to the external website but specifically to a segment of that page designated by the "DonateOnline" anchor. This means navigation is done within the specified webpage, positioning the user's view at the designated anchor rather than the top of the external page.

The other choices do not accurately describe the link’s behavior: while it does direct to an external website, the focus here is on the specific anchor on that page rather than merely stating it links to a separate file or creates a bookmark within the same document. Hence, the correct understanding of this hyperlink conveys that it effectively navigates within an external file, hitting a specific internal section.