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Implications of Introducing a New Species to an Ecosystem Introduction • Introducing a new species to an ecosystem can have detrimental affects. A new species can totally change the habitat and place it at risk. • When a new species is introduced to an ecosystem they have no natural predators which results in them multiplying Invasive Species • An Invasive species is introduced due to human activities. Some of the Invasive species include: • diseases, fungi and parasites • feral animals • insects and other invertebrates • introduced marine pests • weeds Negative Consequences • Over crowds natural species to the environment • Replace natural species that are beneficial for the ecosystem • Wipe out natural species because they are not ready for the competition • Spoil human enterprise, for example fisheries Cont. • Biodiversity in the ecosystem is reduced as native species are eliminated • Costs the economy millions of dollars • Use up the nutrients and food that natural plants and animals need Benefits • Some introduced species are beneficial such as crops and pets. • Help to control other species that are considered a pest