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According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.
  • Athreat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems 分析该选项
  • Bthreat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems 分析该选项
  • Cthreat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems 分析该选项
  • Dthreat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss 分析该选项
  • Ethreat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat 分析该选项
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正确答案: A

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