Q. “Trees produce acorns which acts as food for many insects and mice” is an example of__________________

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Q. Food webs are more stable than food chains.

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Q. Who developed ecological pyramids for the first time?

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Q. Where we can find the inverted pyramids of biomass?

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Q. Which of the following shows the numbers of the producers, herbivores and the carnivores at their successive trophic levels?

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Q. How can we indicate the accurate energy passed at each trophic level?

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Q. Which of the following statement is true for pyramid of biomass?

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Q. Pyramid of energy shows the relationship between energy and trophic level.

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Q. What is the significance of the shape of the pyramid of energy?

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Q. Why are the trophic levels is in the shape of pyramid?

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Q. Which pyramid is always upright apart from tree ecosystem?

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Q. What is the exception to the upright pyramid of biomass?

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Q. In an energy pyramid, which way does energy transfer occur?

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Q. Which of the following ecological pyramids is the most fundamental?

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Q. How many types of ecological pyramids are there?

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Q. The pyramid of biomass is upright in aquatic ecosystem.

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Q. How many parts are there in the forest ecosystem?

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Q. On which factor forest type is mainly dependent?

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Q. Where can we find coniferous forest in India?

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Q. Why most of the Sun light does not penetrate to the ground in evergreen forest?

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