Answer: Option C
Explanation: The flow of energy takes place from plants towards the higher level of organisms.
Plants absorb energy from the sun and make food by the help of the process known as photosynthesis.
The energy from the plants is transferred to primary consumer that is mostly herbivores.
The energy from the primary consumers are transferred to secondary consumers. The secondary consumers feed on primary consumer.
Then the animals die and fungi and other bacteria feed on them for their energy.
The correct order of energy transfer is Plants → Squirrel → Snake → Mushrooms.
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