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प्रश्न
Answer the following question.
Suggest two practices giving one example of each that help protects rare or threatened species.
उत्तर
- By using cryopreservation (preservation at –196ºC) technique, sperms, eggs, tissues, and embryo can be stored for a long period in gene banks, seed banks, etc.
- Plants are propagated in vitro using tissue culture methods.
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संबंधित प्रश्न
______ refers to the conservation of endangered species outside their natural habitats.
Which among the following is/are the type( s) of extinction of species?
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
What is common to lantana Eichhomia and African catfish?
What is common to the species shown in figures A and B?
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| A | B |
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.
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 ______.
The sixth extinction in progress currently is different from all previous extinctions on earth as it is ______.
Write any three criteria on which different types of reflexes are based.
