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प्रश्न
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
विकल्प
330 invertebrates
338 invertebrates
359 invertebrates
362 invertebrates
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उत्तर
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including 359 invertebrates.
Explanation:
The IUCN Red List (2004) documents the extinction of 784 species (including 338 vertebrates, 359 invertebrates and 87 plants) in the last 500 years.
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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.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
'The Evil Quartet' is a concept which describes the ______.
Which among the following is an in situ conservation method for national genetic resources?
Which one of the following is a natural cause of extinction of flora and fauna?
Match the following columns.
| Column - I | Column - II |
| (i) Dodo | (a) Africa |
| (ii) Ouagga | (b) Russia |
| (iii) Thylacine | (c) Mauritius |
| (iv) Stellar's sea cow | (d) Australia |
Choose the correct match from the following
Gametes of threatened species can be preserved in viable and fertile conditions for long periods using ______.
Match the species in Column I with its category in Column II.
| Column I | Column II |
| A. Rare species | I. No species |
| B. Vulnerable species | II. Facing a high risk of extinction |
| C. Endangered species | III. Localised species |
| D. Extinct species | IV. Species under threat |
Choose the correct answer from the options given below.
Give definitions of Invasive species.
Name any two factors responsible for the loss of biodiversity in a geographical region.
