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just olya [345]
2 years ago
9

What is the primary source of energy for all food chains??

Biology
1 answer:
Xelga [282]2 years ago
4 0

Answer:

It is the sun in most ecosystems as the light energy is fixed during photosynthesis and then transferred to other organisms via the food chain.

Explanation:

I hope it helps

have a nice day

#Captainpower

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