B - energy flow from one tropic level to the next
The electron transport chain is the final stage of aerobic respiration leading to the forming of ATP in the inner membrane of the mitochondrion<span>.
</span>Mitochondrion<span>, is a membrane-bound organelle found in the cytoplasm of almost all eukaryotic cells.
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<span>An eukaryote is any organism whose cells contain a nucleus and any other organelles within the membranes.</span>
Type two is where their are to much insulin but not enough glucose that's all I can say sorry