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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
Define Diffusion
Correct and rewrite the following statement and justify your correction.
Plants in an ecosystem are called primary consumers.
State the law which governs the energy flow in an ecosystem.
Draw a diagram to show that the energy flow in an ecosystem is governed by the law of conservation of energy.
Which one of the following has the largest population in a food chain?
Read the following statements and select the correct ones:
- A given species may occupy more than one trophic level in the same ecosystem at the same time
- Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem
- Producers constitute of the first trophic level of a detritus food chain
Name an omnivore which occurs in both grazing food chain and the decomposer food chain.
Give two examples of artificial or man made ecosystems. List the salient features by which they differ from natural ecosystems.
Which of the following food chains is the major conduit for energy flow in terrestrial and aquatic ecosystems respectively?
Complete the given chart:
| Trophic levels | Type of organisms | Status | Example |
| ______ | ______ | Secondary consumer | ______ |
| Second trophic level | Herbivore, Heterotrophs | _____ | ______ |
| ______ | ______ | ______ | Phytoplankton, grass, trees |
