How are the convection currents in a pot of boiling water different from the convection currents in Earth’s atmosphere and oceans? * 10 points
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segmentation=endoskeleton=backbone=coelom=tissues

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

not sure if this is what you'r looking for eubacteria and archaebacteria