Invasive Species - 自然英语

Hello, this isWild Suzhou.Today, we will betalking about invasive species. What are they, and what are some of the mostdestructive ones?First, what is aninvasive species? An invasive species is any organism, such as a plant, aninsect, or a bird, that has been introduced to an ecosystem that it doesn’tbelong in, and is now causing harm. An invasive species can cause harm byhurting the environment or human health. They usually are spreadunintentionally by humans, such as rats getting onto...