Advertisements
Advertisements
प्रश्न
Very short answer type question
What do you understand by the EW category of a living being?
Advertisements
उत्तर
- Extinct in the Wild (EW): A category containing those species whose members survive only in captivity.
- Members are seen only in captivity or as a naturalized population outside its historic range due to massive habitat loss.
APPEARS IN
संबंधित प्रश्न
What are the major causes of species losses in a geographical region?
Give any 'two' examples of endangered species
Suggest two practices giving one example of each, that help protect rare or threatened species.
Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
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 |
What is common to lantana Eichhomia and African catfish?
What criteria should one use in categorizing a species as threatened?
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
What is ex-situ conservation?
