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most often not because the ecosystem has developed and sustained itself amongst itself and what its got, and if you throw an un known animal in there, it will unbalance the whole ecosystem.

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What are two factors that will determine whether a nonnative species becomes an invasive species?

An "invasive species" is defined as a species that is 1) non-native (or alien) to the ecosystem under consideration and 2) whose introduction causes or is likely to cause economic or environmental harm or harm to human health.


What is a synonym for foreign?

* alien * expatriate * nonnative * offshore * overseas


What are the negative impacts of an alien species on ecosystems?

The presence of an alien species may lead to inter-specific competition. An alien species may reproduce quickly due to a lack of predators of the species's ability to utilize resources that native species cannot. The alien species may even introduce diseases. Predation by the alien species can lead to a loss of biodiversity and some native endangered species may be driven to extinction.


What is the antonym of local?

The antonym of locally is generally.


Differentiate Alien Species from Exotic Species?

An alien species is a species that is not native to an area. An exotic species is native to an area but not common.


What positive and negative impacts do aliens species have on ecosystems?

One positive impact is that the alien species may be able to control a pest species in an ecosystem. It may also bring social and economical benefits such as the process of reforestation reducing soil erosion.However, the alien species may also have negative impacts on the ecosystem. It may lead to increased competition with native species, reducing the chances of survival for native organisms. Native species may be driven to extinction and this reduces biodiversity. The presence of an alien species may also upset the balance between predators and prey.


What is an alien species in the US?

An alien is actually someone that is a resident of another country and goes to another country. Like a tourist is alien to the place he is visiting. Or someone who is excluded from a group is considered an alien to that groupYes but all these people are the same species an alien species is another species apart from Homo sapiens eg some species from another planet or galaxy.Or maybe in this question an alien species is a species that is not native to the US.


One reason why an introduced species might be very successful in a new environment?

Many nonnative (alien) species are able to survive in new environments due to environmental similarity such as temperature, rainfall, seasonality and habitats where food and water is in abundance or enough to survive on and also the presence of other same species individuals with whom reproduction is possible. Another reason why nonative species survive in nonnative habitats is because of the lack of its native predators to keep its numbers in check and therefore they survive and reproduce quickly and outcompete native species.


Who is ALIEN X?

Alien X is not exactly the most power full alien, it belongs to an alien species called SABIONS in this species there are aliens more powerfull than Alien X.


Were the American astronauts told to get off of the moon by an alien species?

No. No alien species are known to exist at this time.


What is an synonym for immigration?

Synonyms for Immigrant: 1. Foreigner 2. Expatriate 3. Alien 4. Nonnative


How alien born?

Depends on what species.