What is an invasive species and what are the factors that make it invasive?

An invasive species is the non-native organism which poses serious threat to our ecology, to the economy, to the environment and to the human health. There are many who get confused about What Is An Invasive Species. They wonder if they are plants, viruses or some organisms. In fact, an invasive species may be an animal, microorganisms and even some kind of plants. In all the invasive species, one thing is common that they usurp the general habitat of the life forms native to the place. They are competitive and invasive species that lead to the decline in the overall population of general species. Thus, we can say that such species are hazardous and pose a serious threat to the wellbeing of other species of animals and plants. Such invasive species of animals or plants or microorganisms may be introduced either intentionally or accidentally by the human acts. Such organisms are the source of real nuisance to the place. There are various factors that make such species too much invasive.

What Is An Invasive Species

What makes the invasive species invasive?

In fact, the invasive species are very adaptive, competitive and even successful at reproducing. Thus, we may say that they spread at an alarming rate. The leading cause of their outbreak is the lack of predators in a space to keep the invasive species in check. If the environment is new and lacks predators, nothing can stop the invasive species from spreading. A predatory species can be the part of a stable eco system since the prey animals have got accustomed to deal with the predators. But, if the environment is new and the predator lacks adaptations, it may start to threaten other living creatures. So, the problem begins and it may happen that other organisms become extinct.

How do the invasive species spread?

Organisms may spread outside the native habitat through travel and trade. Invasive species like some kind of fungi, insects, and microorganisms may arrive along with vegetables and fruits. They may arrive on houseplants, gardens or in the soil carried with the items. People can unknowingly carry the microorganisms, plant seeds from one region to another. Even the ships may carry the entire host of harmful life forms, marine organisms that may just cling to the sides. Small mammals like rats and rodents may also be considered invasive species. Any animal which is allowed to breed outside its original environment becomes a major threat. Plants and animals that have been brought to a new place for agricultural purpose become major pests. They may be animals, plants or other species like the viruses.

How harmful is the invasive species?

It is already estimated by now that almost half of the endangered species of animals and plants coming around to 39% plants and 57% animals are declining. This is all due to the invasive species.

You should take necessary steps to prevent the spread of invasive species. There is no particular answer for what is an invasive species. The species may be anything that threatens other organisms.

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