Invasive species can have detrimental effects on ecosystems by outcompeting native species for resources such as food, water, and habitat. This competition can lead to a decline in native populations and even extinction. Invasive species can also alter the physical environment of an ecosystem, disrupt natural processes, and introduce new diseases that native species may not be able to resist. Overall, the presence of invasive species can disrupt the balance of an ecosystem and threaten its biodiversity. Managing and controlling invasive species is crucial to preserving the health and stability of ecosystems.