What are invasive species, and are they a threat?

This ESL lesson plan  deals with the theme of Invasive species.  In particular what is considered an invasive species, how they come to be, and the impact that they have on the ecosystem that they occupy.   The ESL lesson is based on the video The threat of invasive species  by Jennifer Klos.

It focus on practicing key skills related to listening, speaking, collaboration and critical thinking.  You will need at least 90 minutes to complete this lesson. However, lesson can run up to 3 hours ( university teachers adjust as needed).

While targeting intermediate and upper-intermediate language learners of English, it is highly adaptable as it have been purposely designed to faciliate mixed-levelled classes. This includes in a tertiary institution such as a university or within a professional environment, targeting professionals.