We Could State a Biological "Law" That All Food Chains

We could state a biological "law" that all food chains begin with photosynthetic producers if it wasn't for the exception of

A) lichens that make their own food energy.
B) fungi that are neither photosynthetic producers,nor herbivores or carnivores.
C) anaerobic bacteria such as the tetanus agent.
D) chemoautotrophic bacteria found around deep ocean thermal vents.
E) humans making synthetic food.

Correct Answer:

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