Question at position 17 Invasive species can cause ecological imbalance by out-competing and dominating native populations or organisms.TrueFalse单项选择题
A
True
B
False

Question

Question at position 17 Invasive species can cause ecological imbalance by out-competing and dominating native populations or organisms.TrueFalse

BlackTom AI · Accepted Answer

Consider the claim about invasive species and ecological balance. 
Option 1: True. This statement aligns with a well-supported ecological understanding: invasive species often out-compete native species for resources such as food, space, and light, leading to declines or extinctions of native populations. They can also dominate through aggressive behavior, introduce novel diseases, alter habitat structure, and change food-web dynamics, all of which contribute to ecological imbalance. In short, the introduction of non-native organisms can disrupt existing interactions and processes in an ecosystem.
Option 2: False. This would imply that invasive species rarely or never disturb native communities, or that their presence cannot cause imbalance. In reality, countless studies document instances where invasives cause significant shifts in species composition, competition outcomes, and ecosystem functioning, making this option inaccurate. While not every invasive species causes dramatic disruption in every context, the general pattern is that invasives have the potential to destabilize ecosystems, not that they inherently cannot.

Question at position 17 Invasive species can cause ecological imbalance by out-competing and dominating native populations or organisms.TrueFalse单项选择题

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