Pyramids of Biomass and Numbers

Descripción

GCSE (Biology module 2) BIOLOGY Mapa Mental sobre Pyramids of Biomass and Numbers, creado por pwincess_sana97 el 04/09/2013.
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Mapa Mental por pwincess_sana97, actualizado hace más de 1 año
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Creado por pwincess_sana97 hace alrededor de 11 años
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Resumen del Recurso

Pyramids of Biomass and Numbers
  1. Each bar on pyramid shows the mass of living material at that stage.
    1. Biomass pyramid are always in a pyramid shape because biomass is lost at each stage in the food chain.
      1. To construct a biomass pyramid you need the dry biomass of the organism
        1. This may be difficult as you might have to kill organisms.
        2. Pyramid of numbers shows the number of organisms at that stage of the food chain- not their mass.

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