大象传媒

  • Ecosystems, biodiversity and management

    • Ecosystems - Edexcel

      Ecosystems can be found on a variety of scales such as a small-scale freshwater pond system or on a global scale such as the tropical rainforest biome.

    • Tropical rainforests - Edexcel

      Tropical rainforests are an important ecosystem with distinct characteristics and adaptations. Tropical rainforests face threats which need to be managed to ensure their survival.

    • Droughts - Edexcel

      Many places around the world are affected by droughts. There are natural and man-made causes of droughts and they have an impact on different places.

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