which word or phrase from the selection explains why invasive species are a problem.

where the selection?

Invasive species are harmful to our natural resources (fish, wildlife, plants and overall ecosystem health) because they disrupt natural communities and ecological processes. The invasive species can outcompete the native species for food and habitats and sometimes even cause their extinction.

The invasive species can outcompete the native species for food and habitats

I'm sorry, but I need the actual selection or context to identify the word or phrase that explains why invasive species are a problem. Please provide the selection or more information, and I will be happy to help you further.