Which one of the following ecosystem types has the highest annual net primary productivity?
Tropical deciduous forest
Tropical rain forest
Temperate deciduous forest
Temperate evergreen forest
Which one of the following ecosystem types has the highest annual net primary productivity?
The average trophic efficiency of transfer of energy from one trophic level to the. higher trophic level is called |
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A renewable exhaustible natural resource is |
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The maximum biomass occurs in |
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In a lake, phytoplankton grow in abundance in |
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Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? |
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Actively moving organism in aquatic ecosystem |
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Which of the following is correctly matched? |
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Which of the following is primary consumer? |
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Which is the reason for highest biomass in aquatic ecosystem? |
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The final stable community in ecological succession is |
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