Advertisements
Advertisements
प्रश्न
What is common to the species shown in figures A and B?
 |
 |
| A | B |
Advertisements
उत्तर
Both are examples for Keystone species
APPEARS IN
संबंधित प्रश्न
Suggest two practices giving one example of each, that help protect rare or threatened species.
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
Which among the following is/are the type( s) of extinction of species?
Which among the following is an exception to invasive species?
'The Evil Quartet' is a concept which describes the ______.
Which among the following is an in situ conservation method for national genetic resources?
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
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
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.
How many Biodiversity hotspots have been identified around the world?
The species placed in CR category is ______.
When a species goes extinct in one area, it is often desirable to re-introduce the species from other populations. A major problem with this approach is that ______.
Red Data Book is maintained by ______.
Which one of the following groups faces maximum threat of extinction?
Write any three criteria on which different types of reflexes are based.
