in psychologist jean piaget's theory, by the stage, adolescents are able to engage in highly abstract thought and understand places, things, and events they have never seen. they can think about the future and evaluate different options or courses of action.

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Explanation:

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.