Conservation · Botany

Which of the following is a primary threat to the conservation of plants in island ecosystems?

  1. Introduction of invasive alien species
  2. High levels of soil fertility
  3. Lack of sufficient direct sunlight in dense forest canopies
  4. Absence of human population
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Correct answer: Introduction of invasive alien species

Island flora often evolves in isolation without defense mechanisms against continental pests or herbivores. The introduction of invasive species can lead to the rapid extinction of endemic island plants.

Difficulty: Medium Question 20 of 20

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