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A group of cells with the same form (shape) and function is a tissue. Some examples of human tissues are:   connective tissue epithelial tissue nervous tissue mus â¦ cle tissue   Tissues are grouped into organs, and organs may be grouped into systems.7 people found this useful. group of cells with the same form (shape) and function is a tissue. Some examples of human tissues are:   connective tissue epithelial tissue nervous tissue mus â¦ cle tissue   Tissues are grouped into organs, and organs may be grouped into systems. 7 people found this useful.
Rather than grouping cells by their size or shape, scientists typically categorize them by how their genetic material is packaged. If the DNA within a cell is not separated from the cytoplasm, then that cell is a prokaryote. All known prokaryotes, such as bacteria and archaea, are single cells. In contrast, if the DNA is partitioned off in its own membrane-bound room called the nucleus, then that cell is a eukaryote. Some eukaryotes, like amoebae, are free-living, single-celled entities.