4.9: Understand Why Only about 10% of Energy is Transferred from One Trophic Level to the Next

TROPHIC LEVELS: Position organism occupies within food chain
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ENERGY IS LOST TO:

REASON	EXPLANATION
RESPIRATION	Energy is lost as heat energy via respiration to enable movement of an organism
INCOMPLETE CONSUMPTION	Energy may be lost as not all of food may be consumed by an organism (e.g Bones or Fibres)
EGESTION / EXCRETION	Energy may be lost due to incomplete digestion, resulting in energy loss via egestion to produce faeces which is broken down by Decomposers