The biodiversity of our environment is constantly reduced from invasive species. Decorative exotic plants, flowers and trees, or animals that are brought into an ecosystem may increase the diversity of species locally; but, then the introduced species can take over, crowd out or kill the native indigenous species, and in some cases cause extinctions of particular species of plants and animals. Therefore, the species became extinct and the biodiversity of our planet is further reduced. When natural habitat or food supply is destroyed, by alien
The biodiversity of our environment is constantly reduced from invasive species. Decorative exotic plants, flowers and trees, or animals that are brought into an ecosystem may increase the diversity of species locally; but, then the introduced species can take over, crowd out or kill the native indigenous species, and in some cases cause extinctions of particular species of plants and animals. Therefore, the species became extinct and the biodiversity of our planet is further reduced. When natural habitat or food supply is destroyed, by alien