Invasive species can have a significant impact on biodiversity, both in terms of reducing the number of native species and altering the structure and function of ecosystems. Here are some ways in which invasive species can affect biodiversity:

1. Competition: Invasive species can compete with native species for resources such as food, water, and habitat. This can lead to a decline in the number of native species and a loss of biodiversity.

2. Predation: Invasive species can also prey on native species, reducing their numbers and potentially causing their extinction.

3. Habitat alteration: Invasive species can alter the structure and composition of ecosystems by changing the physical characteristics of habitats or by modifying the availability of resources. This can reduce the suitability of habitats for native species, leading to declines in their populations.

4. Disease transmission: Invasive species can introduce new diseases to native species, which can have devastating effects on their populations. This can lead to declines in biodiversity and changes in the structure and function of ecosystems.

Invasive species can have a significant impact on biodiversity by reducing the number of native species and altering the structure and function of ecosystems. It is important to monitor and control invasive species to minimize their impact on native ecosystems and protect biodiversity.