According to the diagram above, an area of the ocean has producers. These producers are surface dwelling that make their own food through . How can 5000 only support half a tuna? Energy gets used up at each level and only is able to move to the next level as it is used to maintain life or given off as heat waste.

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Word Bank:
photosynthesisheterotrophs50%cellular respirationconsumersphotoautotrophs500010%producers
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Blank 1: photoautotrophs

Blank 2: producers
Blank 3: photosynthesis
Blank 4: 5000
Blank 5: 10%