Dennis is giving a speech on pandemics. Dennis thinks that he can help define the concept by using . Therefore, he references the influenza pandemic of 1918 and the AIDS pandemic of the 1980s.

hi! do you know the answer for this flvs question?

what do anaerobic organisms have in common with photosynthetic organisms?

they both appeared on earth at about the same time.

they both can only exist as single-celled organisms.

they both need an energy source in order to survive.

they both produce carbon dioxide as a waste product.

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