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प्रश्न
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
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उत्तर
Although all the biodiversity hot spots put together cover less than 2 percent of the earth’s land area, the number of species they collectively harbour is extremely high and strict protection of these hot spots could reduce the ongoing mass extinctions by almost 30 percent.
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संबंधित प्रश्न
Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?
Suggest two practices giving one example of each, that help protect rare or threatened species.
Threatened species are those which ______.
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
Which of the following is not a cause for loss of biodiversity?
What is common to lantana Eichhomia and African catfish?
The extinction of passenger pigeon was due to ______.
Which of the following is/are endangered plant species?
Which of the following are major causes of species losses in a geographical region?
IUCN means
What is common to the species shown in figures A and B?
 |
 |
| A | B |
Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.
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.
Consider the following statements:
- Statement I: Endemism and accelerated habitat loss are characteristics of biodiversity hotspots.
- Statement II: Gene bank is an in-situ method of biodiversity conservation.
Choose the correct answer from the options given below.
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.
Red Data Book is maintained by ______.
Write any three criteria on which different types of reflexes are based.
