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Write An Essay On Invasive Species

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Invasive Species Are Endangering Wildlife Currently, there are about 16,306 species endangered, and some have already gone extinct. Famous creatures like orangutans, gorillas, and giant pandas are just some of the few species currently endangered. There are many reasons causing these species to become endangered, and invasive species are a major reason for these events. Although many invasions seem harmless, invasive species should not be overlooked because of the major, negative impacts they have on ecosystems. Invasive species are organisms that move into habitats which they are not native to, similar to a pioneer. Invasive species can affect the ecosystem that they are occupying in various ways. These effects can be different depending on the specie, but they all may cause damage to the ecosystem. For example, when a blackberry bush invades a habitat, it takes space in the ground under trees and plants and takes their water. An invasive eel, however, would have different impacts on the environment compared to a blackberry …show more content…
Many ecosystems may have plenty of resources that the invasive species can use without being a threat to the survival of other species. “‘Ecosystems can absorb a lot of new species. I mean, holy cow, look at San Francisco Bay! Who would have thought an ecosystem had that much unused niche space”’ (Burdick, para 18). But even if there are a lot of resources, invasive species can affect the ecosystem in other ways. Invasive species will alter the food web and keep growing. The species will grow and reproduce, and slowly the resources in the habitat will decrease and competition will work up. Slowly, the invasive species will cause the population of the native species to decline. Even if a habitat has enough resources to start with, slowly the invasive species will grow and cause problems to native species over

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