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
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.
Which among the following is/are the type( s) of extinction of species?
Which among the following is a TRUE statement?
Threatened species are those which ______.
Which of the following are major causes of species losses in a geographical region?
IUCN means
Match the animals given in column I with their location in column II:
| Column I | Column II |
| A. Dodo | i. Africa |
| B. Quagga | ii. Russia |
| C. Thylacine | iii. Mauritius |
| D. Stellar's sea cow | iv. Australia |
Choose the correct match from the following:
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
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.
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
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.
"Forests provide intangible benefits to us." Explain by taking three different areas, how.
Mention any two places where the ex-situ conservation is undertaken.
Red Data Book is maintained by ______.
Give definitions of Extinct species.
Give definitions of Endangered species.
Write any three criteria on which different types of reflexes are based.
These are regarded as major causes of biodiversity loss:
- Over exploitation
- Co-extinction
- Mutation
- Habitat loss and fragmentation
- Migration
Choose the correct option:
