Biodiversity · Botany

When a non-native species is introduced to an ecosystem and causes economic or environmental harm, it is classified as:

  1. An exotic species
  2. An invasive species
  3. A pioneer species
  4. A naturalized species
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Correct answer: An invasive species

While many non-native species are harmless, 'invasive' species outcompete native organisms for resources because they often lack natural predators in their new environment. This leads to a decline in local biodiversity and can disrupt entire food webs.

Difficulty: Medium Question 14 of 20

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