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प्रश्न
List any two major causes other than anthropogenic causes of the loss of biodiversity.
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उत्तर
The two major causes other than anthropogenic causes of the loss of biodiversity are
- Alien Species Invasions When alien species are introduced unintentionally or deliberately into a habitat, some of them can cause the decline or extinction of indigenous species.
- Co-extinctions When a species becomes extinct, the plant and animal species associated with it, in an obligatory way, also become extinct.
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संबंधित प्रश्न
Answer the following question:
Substantiate with the help of one example that in an ecosystem mutualists
(i) tend to co-evolve and
(ii) are also one of the major causes of biodiversity loss.
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Which among the following is/are the type( s) of extinction of species?
Which among the following is an in situ conservation method for national genetic resources?
Which one of the following is a natural cause of extinction of flora and fauna?
Which of the following is/are endangered plant species?
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
What does 'Red' indicate in the IUCN Red list (2004)?
What is common to the species shown in figures A and B?
 |
 |
| A | B |
What is common to the species shown in figures A and B?
 |
 |
| A | B |
What criteria should one use in categorizing a species as threatened?
Explain the concept of "co-extinction" by taking two examples.
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.
Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
Many species like Stellar's Sea cow and passenger pigeon have been driven to the brink of extinction. Which of the following describes this situation?
What is ex-situ conservation?
Mention any two places where the ex-situ conservation is undertaken.
Give definitions of Endangered species.
Name any two factors responsible for the loss of biodiversity in a geographical region.
