Respuesta :

They may be wind blown, rain splashed, carried by animals, or moved in soil or water. Almost all short-distance spread is through these natural dispersal mechanisms. In their home territory, short distance spread is rarely a problem because the resident plants and animals have evolved to coexist more or less peaceably.

Answer:there were brought in over seas

(Like they were on cargo that was on a cargo ship)

they were released into the wild by someone

(Like they were a pet)

Explanation:

Sorry I only know 2

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