Can you jump off a sinking ship?

If you can't jump into a life boat directly, aim for deep and clear water, and be wary of obstacles, like propellers. This applies to jumping off a small boat or a large ship. Try to jump from the part of the boat that is closest to the water. This will help prevent injury from jumping in, as you can ease in.

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And another question, why did titanic have rats?

No it's not a plot hole, rats did get on the ship either by getting into the cargo when being loaded, sneaking their way on to the Titanic, or in a number of ways, because they are rats after all, so they will find away on to find food. The cats' name was Jenny, who sadly died when the ship sank. Did rats survive the Titanic? They included dogs, cats, chickens, other birds and an unknown number of rats. Three of the twelve dogs on the Titanic survived; all other animals perished.

Who leaves the sinking ship first?

Smith, the tradition precedes Titanic by at least 11 years. In most instances, the captain forgoes their own rapid departure of a ship in distress, and concentrates instead on saving other people. It often results in either the death or belated rescue of the captain as the last person on board. Moreover, what's the first thing to leave a sinking ship? This is also where much of a ship's vermin dwell. Rats have been known to be the first to abandon a sinking ship, which seems like intelligence at first until they plunge into the ocean and drown anyhow.

Then, why are rats on ships?

Seaports have a longstanding history of dealing with rats. They are attracted to ships due to the smell of fish, additional food resources and comfort of the heating & A/C. Because cruise ships have all of these boxes checked, they are highly desirable for rodents - if they can get on board.