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Biology : Ecosystem

Short Answer Type

21. What is the meaning of term ecological succession ?

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22. In what type of area does primary succession occur ?

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Fill In the Blanks

23. The rate of assimilation of food energy by consumers is called ............................

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24. The amount of Biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called ..........................

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Short Answer Type

25. What is an ecosystem ?

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One Word Answers

26. Who coined the term ecosystem ?

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27.

The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc. present in the soil at any given time is called?

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Short Answer Type

28. What is humus?

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One Word Answers

29. Who occupy the first trophic level of any ecosystem ?

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Short Answer Type

30. List the key functional aspects of ecosystems.

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