Advertisements
Advertisements
Question
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
'The Evil Quartet' is a concept which describes the ______.
Which of the following is not a cause for loss of biodiversity?
There was a loss of biodiversity in the ecosystem due to a new construction project in that area. What would be its impact on the ecosystem? State any three.
Give definitions of Extinct species.
Give definitions of Invasive species.
These are regarded as major causes of biodiversity loss:
- Over exploitation
- Co-extinction
- Mutation
- Habitat loss and fragmentation
- Migration
Choose the correct option:
Which of the following pairs correctly represents examples of alien species invasion?
Which IUCN category describes species facing an 'extremely high risk of extinction in the immediate future'?
Over-exploitation as a cause of biodiversity loss is best exemplified by which of the following?
