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When one species go extinct it triggers ...

When one species go extinct it triggers ill-effect on other species present in the ecosystem. Discuss what are effects of extinction have got on ecosystem balance.

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Healthy ecosystems depend on plant and ani mal species as their foundations. When a species becomes endangered, it is a sign that the ecosystem is slowly falling apart. Each species that is lost triggers the loss of other species within its ecosystem which disturbs the food chain and eventually trigger loss in biodiversity. Humans depend on healthy ecosystems to purify our environment.
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What is true about the species which have become extinct.

What could have triggered mass extinctions of species in the past ?

Assertion : The Nile perch introduced into lake Victoria in east Africa led to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake. Reason : When alien species are introduced deliberately for economic or other uses, they often become invasive and cause extinction of indigenous species.

PEARSON IIT JEE FOUNDATION-CONSERVATION OF PLANTS AND ANIMALS-CLASSROOM CORNER (B. SHORT ANSWER TYPE QUESTIONS)
  1. What will happen if animals become extinct? Comment

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  2. Explain why should we not save endangered species? Justify your answer...

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  3. When one species go extinct it triggers ill-effect on other species pr...

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  4. Explain the causes and effects of endangered species.

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  5. How can endangered species be saved? Explain the preventive measures.

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  6. What are the steps taken by government to protect wildlife? Discuss th...

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  7. What will happen if: we go on cutting trees.

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  8. What will happen if: the habitat of animal is disturbed.

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  9. What will happen if: the top layer of soil is exposed.

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  10. In order to meet the ever - increasing demand in factories and for she...

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  11. How can you contribute to the maintenance of green wealth of your loca...

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  12. Give a brief description of the Red Data Book.

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  13. Given two example for each of the Extinct species:

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  14. Given two example for each of the Critically endangered species:

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  15. Given two example for each of the Endangered species:

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  16. Given two example for each of the Vulnerable species:

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  17. Given two example for each of the Near threatened species:

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  18. Given two example for each of the National parks in India:

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  19. Given two example for each of the Wildlife sanctuaries in India:

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  20. Mention any three effects of deforestation on the environment, apart f...

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