explain how cell differ from each other in shape, size and number in 70 to 100 words
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Answer:
Living organisms are made up of different types of cells, of different shapes and sizes. A unicellular organism differs in shape from another unicellular organism. Within a multicellular organism, there are a variety of cells. Some are long while others are short; some are circular while some are oval. Shape and size vary from cell to cell according to their functions and composition. For example, a nerve cell is long and branched, meant for the transmission of signals throughout our body while a muscle cell is small and spindle-shaped which helps in movement.
Size of cells
Considering an animal cell, we can generalize the shape of a cell as round (spherical) or irregular. Plant cells are much more rigid and rectangular in shape. The size of a cell can be as small as 0.0001 mm (mycoplasma) and as large as six to twelve inches (Caulerpa taxifolia). Generally, the unicellular organisms are microscopic, like bacteria. But a single cell like an egg is large enough to touch. Whether regular or irregular in shape, they all consist of the same organelles and help us to perform the daily activities efficiently.