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प्रश्न
What criteria should one use in categorizing a species as threatened?
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उत्तर
The criteria that should be used in categorising a specials as threatened are
- Number of the members of the species is declining at an alarming rate.
- Their habitat is being modified or destroyed.
- Predator or poacher activities are increasing.
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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.
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Which among the following is/are the type( s) of extinction of species?
IUCN means
List any three major causes of loss of biodiversity.
Name any two biodiversity hot spots in India.
The species placed in CR category is ______.
Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be catogoriesd as ______.
What is ex-situ conservation?
Which one of the following is a pair of endangered species?
Which one of the following groups faces maximum threat of extinction?
Give definitions of Invasive species.
Write any three criteria on which different types of reflexes are based.
What are the reasons for loss of biodiversity?
Which of the following is NOT one of the four causes grouped as the 'Evil Quartet'?
When one species becomes extinct and another species closely associated with it also disappears, this phenomenon is called:
Which IUCN category describes species facing an 'extremely high risk of extinction in the immediate future'?
