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Earn 100

Temperature is considered as the most ecologically relevant environmental factor because it affects _____ of organisms.

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Important Questions on Organisms and Populations

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Study the following statements and select the correct ones.
(i) Organisms capable to tolerate a wide range of temperature are called stenothermal organisms.
(ii) Thermal tolerance of different species determines their geographical distribution to a large extent.
(iii) Average temperature in tropical deserts in summer is < 50°C.
(iv) Thermal springs cannot sustain life due to very high average temperature > 100°C.
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Water is the second most important factor influencing life of organisms because
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Organisms that can tolerate a wide range of salt concentration are termed as
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A freshwater organism cannot survive in a water body that has greater ____ than its original habitat.
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A place has very scanty rainfall, the dominant plants there may be:
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Many freshwater organisms cannot live for long in seawater because the surrounding water will be _____ to the body cells and _____ may occur.