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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
Match the following and choose the correct alternative.
| Column I | Column II | ||
| i. | Not evaluated | a. | Pervasive and abundant after careful assessment |
| ii. | Near threatened | b. | Information related to risk of extinction is lacking in some way |
| iii. | Least concern | c. | Described by scientist but not assessed by the IUCN |
| iv. | Data deficient | d. | May meet the criteria for threatened status in the near future |
The Red List of threatened species is published by ______.
Which among the following is/are the type( s) of extinction of species?
Threatened species are those which ______.
Which of the following is not a cause for loss of biodiversity?
Which of the following statements is correct?
Which of these is NOT amongst the effects of loss of biodiversity?
IUCN means
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:
What does 'Red' indicate in the IUCN Red list (2004)?
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
How can you, as an individual, prevent the loss of biodiversity?
How many Biodiversity hotspots have been identified around the world?
"Forests provide intangible benefits to us." Explain by taking three different areas, how.
The species placed in CR category is ______.
What is ex-situ conservation?
Which of the following regions of the globe exhibits highest species diversity?
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
Give definitions of Endangered species.
Write any three criteria on which different types of reflexes are based.
