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प्रश्न
Study the food chain given below and answer the question that follows:
Is it possible to have 2 more trophic levels in this food chain just before the fourth trophic level? Justify your answer.
उत्तर
No, since the loss of energy at each step is so great that very little usable energy will remain after 4 trophic levels.
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संबंधित प्रश्न
Explain why a progressive decline is seen in the population size from the first to the fourth trophic level in the above pyramid.
State the importance of green plants in an ecosystem.
Energy enters in a food chain through
Give the scientific term for the following:
Type of water absorption by roots where metabolic energy is required.
What is the ultimate source of energy for the ecosystems?
Flow of energy through various trophic levels in an ecosystem is unidirectional and non cyclic. Explain.
Fill in the trophic levels (1, 2, 3 and 4) in the boxes provided in the figure.
Give two examples of artificial or man made ecosystems. List the salient features by which they differ from natural ecosystems.
A lot of waste is generated in neighborhood. However, almost all of it is biodegradable. What impact will it have on the environment or human health?
Which of the following requires maximum energy?
