Major Threats to Biodiversity · Zoology

Which of the following is an example of an invasive species impact?

  1. Cross-pollination of crops by managed honeybees
  2. Native plants displaced by alien weeds
  3. Seasonal migration of birds
  4. Natural forest regeneration
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Correct answer: Native plants displaced by alien weeds

Alien weeds often spread aggressively and displace native plant species. This reduces plant diversity and alters ecosystems.

Difficulty: Medium Question 12 of 20

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