Answer :
Final answer:
Invasive species disrupt ecosystems via competition, altering natural communities and threatening biodiversity. Global human activities facilitate their spread, necessitating prevention and early detection to minimize their impact.
Explanation:
Invasive species are foreign organisms introduced to new ecosystems where they disrupt the ecosystem balance by outcompeting native species, altering natural communities, and even hybridizing with local species. They can cause significant ecological and economic damage by threatening biodiversity through competition for resources, predation, and disease transmission.
Human activities, such as global transportation and trade, have greatly facilitated the spread of invasive species to new regions where they can thrive due to lack of natural predators. These non-native species can lead to the decline of native species and reduce overall biodiversity, impacting ecosystem resilience and functioning.
Efforts to manage invasive species require significant resources and may not always be successful, making prevention and early detection crucial in mitigating their harmful effects on the environment.
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