Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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The neurons conduct impulses over relatively long distance in the body. This is facilitated by their long cytoplasmic extensions
Answer:
c her body is attempting to cool itself
Explanation:
I think it is C but i am not completely positive.<span />
Answer:
Trophic level
Explanation:
A trophic level is each step in a food chain that demonstrates the transfer of energy.