Advertisements
Advertisements
Question
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Which among the following is/are the type( s) of extinction of species?
What is common to lantana Eichhomia and African catfish?
The extinction of passenger pigeon was due to ______.
Which of the following statements is correct?
Which among the following forests is known as the "lungs of the planet earth"?
Which of the following is/are endangered plant species?
What is common to the species shown in figures A and B?
 |
 |
| A | B |
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?
There was a loss of biodiversity in the ecosystem due to a new construction project in that area. What would be its impact on the ecosystem? State any three.
What is the sustainable use of resources?
Give definitions of Invasive species.
These are regarded as major causes of biodiversity loss:
- Over exploitation
- Co-extinction
- Mutation
- Habitat loss and fragmentation
- Migration
Choose the correct option:
Match List - I with List - IІ.
| List - I | List - II |
| A. The Evil Quartet | I. Cryopreservation |
| B. Ex-situ conservation | ΙI. Alien species invasion |
| C. Lantana camara | III. Causes of biodiversity losses |
| D. Dodo | IV. Extinction |
Choose the option with all correct matches.
Which of the following is a natural cause (rather than a human cause) of biodiversity loss?
Which of the following is an example of a species in the 'Least Concern' (LC) IUCN category?
