1 Bacteria. 2 Earliest Prokaryotes Most numerousMost numerous organisms on Earth bacteriaInclude all bacteria Earliest fossils dateEarliest fossils date.
1 Introduction to Cells Cells are the basic units of organisms Cells can only be observed under microscope Basic types of cells: Animal CellPlant Cell.
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1 Bacteria Struture and Function…... 2 Prokaryotic & Eukaryotic Cells.