Advertisements
Advertisements
प्रश्न
What is common to the species shown in figures A and B?
 |
 |
| A | B |
Advertisements
उत्तर
Both are invasive weed species
APPEARS IN
संबंधित प्रश्न
What are the major causes of species losses in a geographical region?
Suggest two practices giving one example of each, that help protect rare or threatened species.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Threatened species are those which ______.
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
Which among the following forests is known as the "lungs of the planet earth"?
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
List any two major causes other than anthropogenic causes of the loss of biodiversity.
Gametes of threatened species can be preserved in viable and fertile conditions for long periods using ______.
What is the sustainable use of resources?
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 ______.
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?
Which one of the following is a pair of endangered species?
The sixth extinction in progress currently is different from all previous extinctions on earth as it is ______.
Give definitions of Endangered species.
What are the reasons for loss of biodiversity?
