When the two ecosystems overlap each other, the area is called
The tiny free-swimming animals on the surface of water constitute |
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Organisms which break down detritus into matter particles |
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Gradual and predictable changes in the species composition of a given area is |
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The biomass available for consumption by the herbivores and the decomposers is called |
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Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem? |
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The species, though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as |
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Acacia arabica is |
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The ecological pyramid which can be inverted in a tree eco-system is |
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Consider the following statements concerning food chains: |
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The remains of the dead plants and animals is called |
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