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प्रश्न
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
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उत्तर
When a new species gets introduced into any ecosystem accidentally or intentionally, there are chances that it proves harmful for existing species. Sometimes, it can lead to extinction of local species.
In such a case, it is called as invasive species. One of the major reasons of such a harmful effect of alien species is lack of local predator.
- Introduction of predator fish - Nile perch in Lake Victoria proved deleterious for 200 local species of Cichlid fish.
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संबंधित प्रश्न
Answer the following question:
Substantiate with the help of one example that in an ecosystem mutualists
(i) tend to co-evolve and
(ii) are also one of the major causes of biodiversity loss.
Which among the following is a TRUE statement?
List any two major causes other than anthropogenic causes of the loss of biodiversity.
How many Biodiversity hotspots have been identified around the world?
Consider the following statements:
- Statement I: Endemism and accelerated habitat loss are characteristics of biodiversity hotspots.
- Statement II: Gene bank is an in-situ method of biodiversity conservation.
Choose the correct answer from the options given below.
Give definitions of Invasive species.
Which type of extinction is characterised by species disappearing through natural environmental changes or evolutionary processes over a slow, long-term period?
Which of the following species pairs are examples of 'Extinct in the Wild' (EW) category?
In the IUCN Red List, which category represents species that are 'likely to become threatened soon'?
Which of the following is an example of a species in the 'Least Concern' (LC) IUCN category?
