Question

an invasive species can disrupt an ecosystem by: helping native species thrive, such as the zebra mussel in north america reducing biodiversity by supporting endangered species competing with native species for resources, such as the zebra mussel in north america improving water quality by removing pollutants

Explanation:

Invasive species typically harm ecosystems. The first option is wrong as zebra mussels (invasive) don't help native species. The second is wrong as they don't support endangered species (they harm biodiversity). The fourth is wrong as they don't improve water quality. The third option is correct: invasive species like zebra mussels compete with native species for resources (food, space, etc.), which disrupts the ecosystem by outcompeting natives, reducing their populations and disrupting the food web.

Answer:

C. competing with native species for resources, such as the zebra mussel in North America