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Non native species are organisms that do not naturally occur in a given area. They may have been transferred either accidentally or deliberately from their place of origin to the new area through human activities.

Non native species may become invasive species if they cause harm to the economy, human health, or environment.

Control methods used to eliminate invasive species are:
1) mechanical - physically removing the invasive species or changing the habitat condition of the affected area.
2) chemical - using of pesticides, fungicides, or herbicides to kill off invasive species.
3) legislative - introducing the natural enemy of the invasive species. It may be a predator or parasite that is from its native range.

Non-native species are the organisms that are defined as organisms, which are not native to given environmental conditions. The organisms may have been accidentally or deliberately transferred to the new area.

Non-native species can become invasive species if they destroy organisms, habitats, and human health.

The ways in which invasive species can be eliminated are:

1. The mechanical method involves the removing of species physically or by changing the habitual conditions of the environment.

2. The chemical method includes using pesticides, herbicides, and fungicides to eliminate invasive species.

3. The legislative method includes the introduction of a natural enemy of the invasive species. The parasite or predator or any other organism from the native habitat.

Therefore, the invasive species can be eliminated by chemical or mechanical methods.

To know more about invasive species, refer to the following link:

https://brainly.com/question/15275959