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Among the crustose, foliose and fruticos...

Among the crustose, foliose and fruticose lichens which one is a pioneer species?

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Crustose lichens.
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OSWAAL PUBLICATION-ECOSYSTEM-TOPIC-2 : Energy Flow and Ecological Pyramids (Very Short Answer Type Questions)
  1. Justify the pitcher plant as a producer.

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  2. Name any two organisms which occupy more than one trophic level in an ...

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  3. Among the crustose, foliose and fruticose lichens which one is a pione...

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  4. If we count the number of insects on a tree and number of small birds ...

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  5. The detritus food chain and grazing food chain differ. How?

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  6. What are producers in an ecosystem?

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  7. What are consumers in an ecosystem?

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  8. What is standing crop?

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  9. How the standing crop is measured?

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  10. What is 10% law?

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  11. Why is pyramid of energy always upright '?

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  12. Why pyramid of energy cannot be inverted?

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  13. The pyramid of biomass in sea is also inverted, why?

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  14. What is a food web?

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  15. Give an example to show how the same species can occupy more than one ...

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  16. What percentage of photosynthetically active radiation is captured by ...

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  17. What is meant by saying that the energy flow in an ecosystem is unidir...

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  18. Name the ecological pyramid that can be inverted in a tree eco-system.

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  19. What are the starting points of grazing food chain and detritus food c...

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  20. What is meant by species composition of any ecosystem?

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