What process is the base of the food web?

Autotrophs. that’s the answer

Autotrophs are the foundation of food chains and food webs, and the energy they gather from light or chemicals is what keeps the rest of the community alive. We can refer to autotrophs as producers when discussing their involvement in food chains.

Explanation:

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Filtration rate decreases, leading to increased levels of potassium causing a risk for increased rate of cardiac dysrhythmia

The wording for the end of the phrase is kind of odd, but I’m guessing that this is supposed to be all increased or decreased in the blanks.