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Small animals are rarely found in Polar ...

Small animals are rarely found in Polar regions .Why?

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Small animals have larger surface area relative to their volume, they tend to lose body heat very fast when it is cold outside and hence they have to expend much energy to generate body heat through metabolism.
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OSWAAL PUBLICATION-ORGANISMS AND POPUIATIONS-TOPIC :2 Multiple Choice Questions
  1. Small animals are rarely found in Polar regions .Why?

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  2. Autecology is the :

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  3. Ecotone is :

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  4. Biosphere is :

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  5. Ecological niche is :

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  6. According to Allen's Rule, the mammals from colder climates have :

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  7. Salt concentration (Salinity) of the sea measured in parts per thousan...

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  8. Formation of tropical forests needs mean annual temperature and mean a...

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  9. Which of the following forest plants controls the light conditions at ...

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  10. What will happen to a well growing herbaceous plant in the forest if i...

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  11. If a population of 50 Paramoecium present in a pool increases to 150 a...

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  12. What would be the percent growth or birth rate per individual per hour...

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  13. A population has more young individuals compared to the older individu...

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  14. What parameters are used for tiger census in our country's national pa...

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  15. Which of the following would necessarily decrease the density of a pop...

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  16. A protozoan reproduces by binary fission. What will be the number of p...

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  17. In 2005, for each of the 14 million people present in a country, 0.028...

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  18. Amensalism is an association between two species where:

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  19. Lichens are the associations of

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  20. Which of the following is a partial root parasite?

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  21. Which one of the following organisms reproduces sexually only once in ...

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