the big idea
What makes a species invasive?
![2-04 2](https://ag.purdue.edu/envision/wp-content/uploads/2021/12/2-04-e1640011136191.png)
WHEN does a non-native species become invasive?
When it causes harm to any of these areas:
![bigideanumb-mobile bigideanumb-mobile](https://ag.purdue.edu/envision/wp-content/uploads/2021/12/bigideanumb-01-2-e1640037355507.png)
![three](https://ag.purdue.edu/envision/wp-content/uploads/2021/11/3-06-300x296.png)
![three](https://ag.purdue.edu/envision/wp-content/uploads/2021/11/3-06-300x296.png)
![laptop-04 laptop](https://ag.purdue.edu/envision/wp-content/uploads/2021/11/laptop-04.png)
Report invasive species on the web or an app.
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