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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
What are the major causes of species losses in a geographical region?
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
Which of the following is/are endangered plant species?
Match the animals given in column I with their location in column II:
| Column I | Column II |
| A. Dodo | i. Africa |
| B. Quagga | ii. Russia |
| C. Thylacine | iii. Mauritius |
| D. Stellar's sea cow | iv. Australia |
Choose the correct match from the following:
Though the conflict between humans and wildlife started with the evolution of man, the intensity of conflict has increased due to the activities of modern man. Justify your answer with suitable examples.
Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be catogoriesd as ______.
Red Data Book is maintained by ______.
What are the reasons for loss of biodiversity?
