Answer :

Final answer:

Dreissena polymorpha, or the zebra mussel, is an invasive species known to disrupt the ecosystems it invades. It is an exotic pest and not a keystone or indicator species.

Explanation:

Dreissena polymorpha, commonly known as the zebra mussel, is an invasive species that has been introduced to various regions outside its native range. As an invasive species, it constitutes a significant threat to the aquatic ecosystems by altering the native communities and competing with indigenous species. Although some people might find the zebra mussel aesthetically pleasing, it is widely recognized as a problematic exotic pest in many countries, especially those where it has been introduced without natural predators or controls to keep its population in check.

Thanks for taking the time to read Dreissena polymorpha is 1 A nonnative species 2 A keystone species 3 An indicator species. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada