Which of the following can be threats to the biodiversity of a geographical area?1. Global warming2. Fragmentation of habitat3. Invasion of alien species4. Promotion of vegetarianismSelect the correct answer using the codes given below:
✓ Correct answer: a) 1, 2 and 3 only
ExplanationOption 1 is correct: Rising temperatures are affecting biodiversity.Global warming induced climate change is causing changing rainfall patterns, extreme weather events, and ocean acidification.These are putting pressure on species already threatened by other human activities.Option 2 is correct: Mammals and birds that require large ter- ritories as well as animals with migratory habitat are adversely affected by fragmentation of Habitat.This results in population decline.Option 3 is correct: Invasive alien species are animals, plants, fungi and microorganisms entered and established in the envi- ronment from outside of their natural habitat.They reproduce rapidly, out-compete native species for food, water and space, and are one of the main causes of global biodiversity loss.Option 4 is incorrect: Promotion of vegetarianism is not a cause for the loss or threat of biodiversity.234
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