Why do third level consumers gain was energy from their food

Why do third level consumers gain was energy from their food?

Explanation: It rarely happens, so often the tertiary consumers do not get eaten. Also, as tertiary consumers eat the primary and secondary consumers, they receive 10% of their energy from the producers. ... There are few omnivores/third-level consumers, because most third-level consumers eat only meat, since it's very tasty to them.

chemical because it warmed up which involves temperature and it bubbled which includes changing

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