One always finds many more of the prey species than of the predator. This is called a

A. food web

B. pyramid of numbers

C. pyramid of succession

D. none of these

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  1. Which one is the direct ecological factor ?
  2. Some animals have a constant high body temperature. This is because
  3. When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas…
  4. Biome is
  5. Soil particles are arranged in order of increasing size are
  6. Animals which live at the bottom of the sea are called
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  8. The transitional zone where two different types of communities meet is called the
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  10. Synecology is the study of
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  14. Acid rain is
  15. Which of the following is an anti-forest conservation activity ?
  16. The main cause of soil erosion in India is
  17. Trophic levels are formed by
  18. Synecology is the study of
  19. A food-chain consists of
  20. One always finds many more of the prey species than of the predator. This is called a
  21. Gas liberated in Bhopal gas tragedy was
  22. The total set of feeding relationships in a biotic community is called
  23. The energy storage of consumer level is called
  24. The first fish that eats upon the planktonic form is
  25. Plants growing on sea shores show characters of
  26. An association between two or more species in which both are benefited is known as
  27. Strontium- 90 can cause
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