Which of the following is the most important and ecologically relevant environmental abiotic factor?
A
Light
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B
Temperature
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C
Water
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D
Soil
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Solution
The correct option is B Temperature Temperature is the most ecologically relevant environmental factor. The average temperature on land varies seasonally. There is progressive decrease in temperature from the equator towards the poles as well as from plains to the mountain tops. It ranges from subzero levels in high altitudes and polar areas to greater than 50 degree celsius in tropical deserts in summer. However, there are unique habitats such as thermal springs and deep-sea hydrothermal vents which have average temperature exceeding 100 degree celsius.