Answer:
Rats by train were introduced unintentionally
Hyacinths were introduced intentionally into the lake
Flood pumped many aquatic species to some other places is because of loss of original habitat.
Explanation:
The Invasive species can be defined as the species of organism that is introduced into the habitat of some native species intentionally or unintentionally or due to loss of their habitat they move into some other habitat.
The intentional introduction of species is the method by which any particular specie is introduced intentionally.
There are many times when the species have to leave their original space due to some natural disaster which leads to habitat loss.
