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Organisms can also exist in boiling thermal springs and deep-sea hydrothermal vents where average temperatures exceed `100^(@)C` (True/False)

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Average temperature of thermal spring and deep sea hydrothermal vents exceeds

In which of the following habitats, the average temperatures exceed 100^o C?

In most animals the metabolic reactions proceed in a……A……..temperature range (in humans, it is 37^@C ). But there are microbes (archaebacteria) that flourish in hot spring and deep sea hydrother mal vents where temperature farexceed ………B……… Choose the correct options for A and B

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 determine their grographical distribution to a large extent (iii) Avarge temperature in tropical deserts in summer is lt 50^(@)C . (iv) Thermal springs cannot sustain life due to very high average temperature i.e., gt 100^(@)C .

At NTP water boils at 100^(@)C . Deep down the mine, water will boil at a temperature

Assertion: On planet Earth, life exist not just in a few favourable habitats but even in extreme and harsh habitats such as according Rajasthan deserty, perpetually rain-soaked Meghalaya forest, deep ocean trenches, torrential streams, permafrost polar regions, high mountian tops, streams, permafrost polar regions, high mountains tops, boiling thermal springs, and stinking compost pits, etc. Reason: Even our intestine is a unique habitat for hundereds of species of microbes.

Food chains are very important for the survival of most species. When only one element is removed from the food chain it can result in extinction of a species in some cases. The foundation of the food chain consists of primary producers Primary producers, or autotrophs, can use either solar energy or chemical energy to create complex organic compounds, whereas species at higher trophic levels cannot and so must consume producers or other life that itself consumes producers. Because the sun's light is necessary for photosynthesis, most life could not exist if the sun disappeared. Even so, it has recently been discovered that there are some forms of life, chemotrophs, that appear to gain all their metabolic energy from chemosythesis driven by hydrothermal vents, thus showing that some life may not require solar energy to thrive. Which of the following limits the number of trophic levels in a food chain?

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  3. Ecology at organisms level is essentially ecology which tries to unde...

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  4. Organisms can also exist in boiling thermal springs and deep-sea hydro...

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  5. Aquatic organisms should not face any water-related problem. (True/Fal...

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  6. Organisms which have a wide range of salinty to leracnce are called as...

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  7. In environment the sediment characteristics often detemine the type o...

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  8. Heat loss or heat gain is a function of surface area Very animals are...

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  9. are able to maintain homeostasis which ensures a constant internal env...

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  10. The kangaroo rat in North American deserts is capable of meeting all i...

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  11. In most animals all physiological functions proceed optimally in a wid...

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  12. Mortality and contribute to a decrease in population density.

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  13. Intrinsic rate of natural increase (r) is a very important parameter c...

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  14. In both commensalism and amensal only one species benefits and the int...

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  15. The monarch butterfly is able to protect itself from its predators bec...

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  16. The life cycles of parasites are often complex , involving one or two ...

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