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    • This Tuna sandwich diagram illustrates food web/trophic pyramid.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 17 September 2009, Updated 4 October 2024 Size: 1.1 MB Referencing Hub media

    On average, only 10% of the energy from an organism is transferred to its consumer. This means that a top-level consumer, such as a tuna, is supported by millions of primary producers from the base of the food web or trophic pyramid.

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