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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
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.
Acronym for IUCN is ____________.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
'The Evil Quartet' is a concept which describes the ______.
Which among the following is an in situ conservation method for national genetic resources?
Which of the following statements is correct?
IUCN means
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
Explain the concept of "co-extinction" by taking two examples.
How can you, as an individual, prevent the loss of biodiversity?
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.
"Forests provide intangible benefits to us." Explain by taking three different areas, how.
Which of the following suits hotspots in ecological terminology?
When a species goes extinct in one area, it is often desirable to re-introduce the species from other populations. A major problem with this approach is that ______.
Many species like Stellar's Sea cow and passenger pigeon have been driven to the brink of extinction. Which of the following describes this situation?
What is ex-situ conservation?
The sixth extinction in progress currently is different from all previous extinctions on earth as it is ______.
Give definitions of Extinct species.
Which one of the following is NOT one of the 'Evil Quartet' responsible for the loss of biodiversity?
