To provide a well-supported analysis that links human actions to bumblebee decline, you would typically look for evidence that discusses specific human activities impacting bumblebee populations. This may include:
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Pesticide Use: References to studies or statistics showing how certain chemicals harm bumblebees or disrupt their reproductive systems could serve as strong evidence.
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Habitat Loss: Evidence detailing how urbanization, agricultural expansion, or deforestation has reduced the natural habitats required for bumblebees to thrive.
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Climate Change: Data showing how rising temperatures or changing precipitation patterns, often a result of human activity, lead to mismatches between bumblebee life cycles and the flowering times of plants.
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Invasive Species: Mention of how human-facilitated introductions of non-native species compete with or predation on bumblebees and their resources.
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Pollution: Examples of how environmental pollutants affect the health and behavior of bumblebee populations.
By directly citing these forms of evidence from the text—and analyzing the correlation between the highlighted human activities and the observed declines in bumblebee populations—you could effectively support your analysis of the issue.