Table of Contents
What invasive species mean?
An invasive species is an organism that is not indigenous, or native, to a particular area. Invasive species can cause great economic and environmental harm to the new area. 5 – 12+ Biology, Ecology, Earth Science, Geography.
What is the meaning of indigenous species?
In biogeography, a native species is indigenous to a given region or ecosystem if its presence in that region is the result of only local natural evolution (though often popularised as “with no human intervention” The term is equivalent to the concept of indigenous or autochthonous species.
What does the term non native species mean?
Non-native species are organisms that do not occur naturally in an area, but are introduced as the result of deliberate or accidental human activities. Other terms used for non-native species include ‘exotic’ or ‘alien’ species, but these are often discouraged terms, as they may imply another meaning.
What are some examples of non-native species?
Non-native species Hemlock Woolly Adelgids. The hemlock woolly adelgid (pronounced ah-DEL-jid) is a tiny aphid-like insect that poses a very serious threat to the ecology of the Smokies. Asian Lady Beetles. Although not a problem in the park, Asian lady beetles can be a pest to households in the surrounding areas of Tennessee and North Carolina. Wild Hogs. Rooting and wallowing wild hogs ( Sus scrofa) threaten natural ecological communities.
What is a nonnaive species?
Australian Pine. Possession of Casuarina species with the intent to sell or plant,without special permit,is illegal in the state of Florida.
Why do non-native species get introduced into an environment?
When non-native species are introduced into an ecosystem in which they did not evolve their populations sometimes explode in numbers. The reason for this is that in a natural or native community, species evolve together into an ecosystem with many checks and balances that limit the population growth of any one species.
What does the name nonnative mean?
1. (of animals, plants, etc.) not existing naturally in a place but coming from somewhere else. 2. a nonnative speaker of a language is one who has not spoken it from the time they first learned to talk opposite native. Check pronunciation: nonnative.