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प्रश्न
The extinction of passenger pigeon was due to ______.
पर्याय
Increased number of predatory birds.
Over exploitation by humans
Non- availability of the food
Bird flu virus infection
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उत्तर
The extinction of passenger pigeon was due to over exploitation by humans.
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संबंधित प्रश्न
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
The Red List of threatened species is published by ______.
'The Evil Quartet' is a concept which describes the ______.
Accroding to IUCN Red list, the status of Antilope is ____________.
What do you understand by ‘exotic species’?
Which of the following is not a cause for loss of biodiversity?
Which of the following statements is correct?
List any three major causes of loss of biodiversity.
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
Name any two biodiversity hot spots in India.
Mention any two places where the ex-situ conservation is undertaken.
Write any three criteria on which different types of reflexes are based.
These are regarded as major causes of biodiversity loss:
- Over exploitation
- Co-extinction
- Mutation
- Habitat loss and fragmentation
- Migration
Choose the correct option:
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 pairs correctly represents examples of alien species invasion?
Which IUCN category is assigned to a species for which inadequate information is available for proper assessment?
Which of the following is an example of a species in the 'Least Concern' (LC) IUCN category?
