- 1(current)
Q. No.Pyramid of numbers is :
1. Always upright
2. Always inverted
3. Either upright or inverted
4. Neither upright nor inverted
Subtopic: Ecological Pyramids |
83%
From NCERT
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The ecological pyramids that can never be inverted in a natural ecosystem include:
| I: | pyramid of numbers |
| II: | pyramid of energy in any ecosystem |
| III: | pyramid of biomass in the sea |
1. Only II
2. Only III
3. Only II and III
4. All can be inverted
Subtopic: Ecological Pyramids |
83%
From NCERT
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In an open ocean, the pyramid of biomass is often inverted. How can this support higher trophic levels?
| 1. | The food produced by primary producers is of high quality |
| 2. | The primary producers grow and reproduce at high rates |
| 3. | Primary producers are very abundant. |
| 4. | The predators at higher trophic levels are very efficient |
Subtopic: Ecological Pyramids |
57%
From NCERT
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- 1(current)
Q. No.
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