Aspecies whose introduction does or is likely to cause economic or environmental harm or harm to human health

Invasive species

Explanation:

Invasive species can be described as species which are not present in the natural ecosystem of a particular place. when these species are introduced in a location, they might cause damaging effects to the environment or humans. Invasive species are a serious threat fro many naturally stable communities. An invasive species can be any type of organism that might harm a community. Common examples of the invasive species are the killer algae.  

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation: