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What are predators ? Why some species go...

What are predators ? Why some species got extinct when predators are removed?

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It is a type of interspecific interactions in which one organism feed the other, the feeding organisms is called predator. In some cases same species got extinct when predators are removed. It was studied in American pacific cost on starfish pisaster (predator) it was due to inter specific competition.
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BETTER CHOICE PUBLICATION-ORGANISMS AND POPULATIONS-SHORT ANSWER TYPE QUESTIONS (MOST EXPECTED QUESTIONS)
  1. Define competition and explain competitive release with suitable examp...

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  2. Why is mutualism also known as co-evolution.

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  3. What is Brood Parasitism ? Give one example of Brood Parasitism.

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  4. Why do sclown fish and sea anemone pair up? What is this relationship ...

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  5. Explain parasitism. Also define Ectoparasite and Endoparasite.

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  6. Describe the mutual relationship between fig tree and wasp and comment...

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  7. Explain various adaptations in Homeotherms and Poikilotherms.

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  8. Give few adaptations of hydrophytes and aquatic animals.

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  9. Distinguish between Camouflage and Mimicry.

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  10. Explain the following terms: (i) Mimicry (ii) Acclimatisation.

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  11. Explain the term Ectotherm and Endotherm.

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  12. What is the difference between Hibernation and Aestivation ?

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  13. Write a short note on migration in animals?

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  14. What are succulents? How they are adapted to their environment ?

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  15. How does temperature bring variation in the physical and chemical cond...

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  16. How do nature and properties of soil affect the organisms?

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  17. What is high altitude sickness? Write itssymptoms.

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  18. What are predators ? Why some species got extinct when predators are r...

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  19. When, is an organism called a 'conformer'? Explain with the help of an...

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  20. Define hibernation, aestivation and diapause.

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