The remains of the dead plants and animals is called
Detritus
Detritivores
Humus
Litter
Additional Questions
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DDT residues are rapidly passed through food chain causing biomagnification because DDT is |
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The most recently discovered ecosystem is |
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The age of pyramid with broad base indicates |
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The more abundant animals in a desert grassland are |
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Assertion: In a food chain members of successive higher levels are fewer in number. Reason: Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level. The correct answer is: |
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Assertion: Tropical rain forests are disappearing fast from developing countries such as India. Reason: No value is attached to these forests because these are poor in biodiversity. The correct answer is: |
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Which of the following is an example of man-made ecosystem? |
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Animals living at the bottom of the sea are known as |
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The food chain, in which the microorganisms breakdown the energy-rich organic compounds prepared by the producers, is known as |
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Biotic factors refer to |
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