B1.5 - Energy and Biomass in food chains

Descrição

GCSE GCSE Biology Mapa Mental sobre B1.5 - Energy and Biomass in food chains, criado por dramaqueen72 em 15-03-2014.
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Mapa Mental por dramaqueen72, atualizado more than 1 year ago
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Criado por dramaqueen72 mais de 10 anos atrás
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Resumo de Recurso

B1.5 - Energy and Biomass in food chains
  1. Radiation from the sun is an energy source for all living organisms
    1. Photosynthesis
      1. In green plants and algae, photosynthesis captures a fraction of the energy that reaches them.
        1. This energy is stored in the cell of the plant.
          1. The energy is passed onto the organism that eats the plant
      2. Energy Loss
        1. Energy is lost at each stage of the food chain due to:
          1. Faeces
            1. Energy released by respiration is used up in movement as heat energy
        2. Pyramids of Biomass
          1. Biomass: The mass of living material
          2. Tertiary Consumer
            1. Only gets a small fraction of the energy left because some energy is caught by the sun by producers, most biomass stays in the roots, only a tenth of the energy is passed on due to running, mating, excreting and generating heat & they only recieve a bit of the energy from the bottom of the pyramid
            2. Producer
              1. Provides food for primary consumer who passes on the energy to the secondary consumer who passes on the energy to the tertiary consumer

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