What happens when alien species are introduced unintentionally or deliberately?(a) Decrease of alien species(b) Increase in habitat(c) They turn invasive and cause increase species(d) They turn invasive and cause decline or extinction of indigenous speciesThe question was asked in unit test.This is a very interesting question from Causes of Biodiversity Losses topic in portion Biodiversity and Conservation of Biology – Class 12

What happens when alien species are introduced unintentionally or deli

1.	What happens when alien species are introduced unintentionally or deliberately?(a) Decrease of alien species(b) Increase in habitat(c) They turn invasive and cause increase species(d) They turn invasive and cause decline or extinction of indigenous speciesThe question was asked in unit test.This is a very interesting question from Causes of Biodiversity Losses topic in portion Biodiversity and Conservation of Biology – Class 12
Answer» Correct answer is (d) They turn invasive and cause decline or extinction of INDIGENOUS species Explanation: The unintentional or deliberate introduction of alien (NEW) species into a habitat cause the aliens to turn invasive and thus causing the decline or extinction of indigenous species. They can affect all types of ORGANISMS (ANIMALS, plants, fungi, and microorganisms) and ECOSYSTEMS.

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