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प्रश्न
Distinguish between Upright and inverted pyramid.
उत्तर
| Sr. No. | Upright pyramid | Inverted pyramid |
| 1. |
In an upright pyramid (e.g., a grassland and cropland ecosystem), biomass, the number of organisms, or the amount of energy, decreases as the organism moves to upper trophic levels. |
In an inverted pyramid (e.g., a tree ecosystem), these quantities tend to increase as one moves to successive trophic levels. |
| 2. | In an upright pyramid, the producers are more in number than the herbivores. | In the inverted pyramid, the number of Producers is less, and the number of consumers is more than the number of producers. |
| 3. | The pyramid of energy is always upright. | The pyramid of numbers and the pyramid of biomass can be inverted. |
| 4. | The base bar, which includes producers, is the largest, while the bar at the vertex of the pyramid, which includes top consumers, is the smallest. | The base bar for producers is the smallest, while the vertex bar for top consumers is the highest. |
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संबंधित प्रश्न
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| In a forest ecosystem, a large population of insect feeds upon a banyan tree. Several small birds feed upon these insects. The small birds are fed upon by big-sized birds. |
- With respect to this ecosystem, draw a pyramid for each biomass and a pyramid of number.
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If 20,000 Kcal energy is available at the level of insects, calculate the amount of energy available at the level of big-sized birds.
