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Answer:</h2>
the measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background 'CMB'. The CMB refers to the uniform distribution of radiation that pervades the entire universe.
It is supposed to flow through so heterotrophs(like humans etc) can gain energy from plants(autotrophs) which other animals gain energy from them eating each other which follows the food chain. Which keeps the food chain and life in order, by giving energy for work and life to sustain.
Answer: A pair of eyes on stalks at the top of the body
Explanation: Have a good day!
