Science Enhanced S&S Biology - Virginia Department of ...

They can be square (plant), rounded (blood), or irregular (spirochetes). Cells are categorized as prokaryotic (bacteria, eubacteria, and archaea) or eukaryotic (Eukaryota). Cells are also categorized as autotrophic (able to produce their own food from the process of photosynthesis) or heterotrophic (rely on other food sources). ................
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