Biology

The correct answer is: D. Non-native species that cause harm to a new ecosystem.

An invasive species is a species that is introduced to a new environment, either intentionally or accidentally, where it doesn't naturally occur. Once introduced, invasive species often spread rapidly and may outcompete or displace native species for resources such as food, space, and shelter. This can disrupt local ecosystems and lead to negative impacts on biodiversity.

Why the other options are incorrect:

A. Not having papers: This has nothing to do with biological invasiveness. "Not having papers" might be a joke or metaphor but isn't a factor in ecological invasiveness.

B. Species that can’t adapt: While a ...