"If bison disappear from the ecosystem, the number of primary consumers like elk may increase due to reduced competition for resources, leading to overgrazing of plants. This overgrazing can significantly decrease plant diversity and disrupt the habitat for other species, ultimately affecting the entire food web. The ecosystem's resiliency may be compromised as it struggles to maintain balance and recover from the loss of bison, highlighting the importance of biodiversity in ensuring stability and adaptability in ecosystems. Without diverse species interactions, the ecosystem may become less resilient to further changes, making it more vulnerable to collapse."

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If bison disappear, elk numbers may rise because there's less competition for food. This can lead to overgrazing, which reduces plant diversity and harms other species. The overall balance of the ecosystem may be disrupted, making it less resilient and more susceptible to collapse. This shows how important biodiversity is for ecosystem stability.