Multiple choice

Among the following climatic factors, which one has the least effect upon a terrestrial ecosystem?

  1. Temperature variation

  2. Wind

  3. Conditions of sunlight

  4. Availability of water
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Temperature variation is universally important environmental factor as each species has its own minimum, maximum and optimum temperatures for life. Condition of sunlight determines the source of energy for ecosystem. Besides most organisms need large amount of water to survive so wind has the least effect.

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