Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: f a plant shows up in a new place, what might have happened?
its cased embryo have been dispersed
It could have been carried by wind or water, or it might have been planted by an animal or human.