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प्रश्न
What is common to the species shown in figures A and B?
 |
 |
| A | B |
उत्तर
Both are invasive weed species
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संबंधित प्रश्न
Give any 'two' examples of endangered species
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
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
The extinction of passenger pigeon was due to ______.
Which among the following forests is known as the "lungs of the planet earth"?
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 criteria should one use in categorizing a species as threatened?
List any three major causes of loss of biodiversity.
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 ______.
What is ex-situ conservation?
