Qualified Applicator Certificate (QAC) Landscape and Maintenance Practice Test

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What is the impact of invasive species on local ecosystems?

They improve biodiversity

They disrupt ecological balance and can outcompete native species

Invasive species have a significant impact on local ecosystems primarily by disrupting the ecological balance and often outcompeting native species. When an invasive species is introduced to a new environment, it may thrive in that area due to a lack of natural predators or competitors. As a result, invasive species can dominate resources such as nutrients, water, and space, leading to a decline in the populations of native species. This disruption can alter community structures, food webs, and the overall functioning of the ecosystem. Native species may struggle to survive in the face of such competition, which can lead to reduced biodiversity and even the extinction of some local species. Understanding this dynamic is crucial for effective ecosystem management and conservation efforts.

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They enhance the resilience of local plants

They support native insect populations

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