Exotic species are simply those that do not belong in your particular habitat. They are harmful because when they are introduced into your habitat they compete with some native species and threaten to make it extinct. Such is happening with the European starling and many native North America birds.
Often the exotic species has fewer natural enemies in the new environment but competes for the same food supply and other necessities as the native species it displaces. Sometimes the exotic species is more adaptable or more aggressive and so pushes out a native species. Sometimes the exotic species reproduces at a higher rate or more successfully than does the native species.
Exotic Species.
The effects of non-native species in an environment are that they cause harm and push out native species. Because the environment is not setup for them, they quickly set things out of balance and become harmful.
Not at all. As long as tree-kangaroos are in their native environment, there is nothing they contribute to the environment that is harmful. Their habitat is their niche, and when an animal is in its proper niche, there is an interdependence between the species and the environment.
An alien species is a species that is not native to an area. An exotic species is native to an area but not common.
Exotic species are animals that are not native to the area. Lions and giraffes are exotic animals in Ohio but not in Africa.
When exotic species are introduced into an area these species can grow at exponential rate due to a lack of competitors and a lack of predators they may take over niches of native species and can eventually replace the native species completely
Exotic. i.e. foreign to that environment; this definition is of broader application than generalized notions of 'exotic'. Furthermore, human activity in the process is what can define the new organism as not being 'local'; otherwise the distinction would be completely arbitrary. If able to naturally mantain a population, these exotic species are said to be 'naturalized' to that environment.-
exotic species
A native species originated from that area while an exotic species came from somewhere else.
Certain types of bacteria can be harmful to the environment. Others help with natural processes like decomposing and stuff like that. So, it depends what kind of bacteria you are talking about.
they are alike