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प्रश्न
What could have triggered mass extinctions of species in the past?
उत्तर
- Volcanic eruption
- Earthquake
- Extremes of temperatures
- Glaciations
- Continental drift
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संबंधित प्रश्न
Answer the following question.
Suggest two practices giving one example of each that help protects rare or threatened species.
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 |
Which of the following are major causes of species losses in a geographical region?
Which of these is NOT amongst the effects of loss of biodiversity?
What is common to the species shown in figures A and B?
 |
 |
| A | B |
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.
List any three major causes of loss of biodiversity.
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.
Which of the following regions of the globe exhibits highest species diversity?
