Although chemical reactions occur in almost every part but mitochondria have more metabolic cycles and reactions as it generates ATP also called power house of cell.
Answer:
Is the energy transferred to each organism in this food web the same? Yes
Well it could've been all of these but if there was only one answer I would chose number 3 :) sorry im so late:( but if there are 2 answers try 3 and 4:)
It starts of producer which is plants and that is where it all begins.