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Pyramid of numbers in a grassland/tree ecosystem (a) always inverted (b) always upright (c) both (a)...

Pyramid of numbers in a grassland/tree ecosystem

(a) always inverted

(b) always upright

(c) both (a) and (b)

(d) spindle-shaped.

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Answer #1

Answer B: always upright

  • Pyramid of numbers represents the total number of individuals of different species (population) at each trophic level.
  • In a grassland ecosystem, the number of producers (mainly grasses) is always maximum, followed by decreasing numbers at second trophic level (herbivores), third trophic level (carnivores) and least number of apex predators.  
  • In this pyramid, the number of individuals is decreased from lower level to higher trophic level.
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