What are all living organisms made up of?why ate they called structural and functional unit of life
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All living organisms are made up of Cell.
Cell is structural and functional unit of life.
Cells are the structural unit of life because all organisms are composed of cells. The simplest organisms are single cell ones, such as bacteria. The bone, muscle, nerve and connective tissues you are made of are each composed of millions of individual cells. Each cell is itself carrying out life functions, so the cell is the functional unit of life. A cell has specialized parts, just as the organism has specialized organs and systems, that each carry out a function required for life. Raw materials come in, waste is removed, energy is spent, etc. Each cell nucleus contains the DNA programming of the entire being even though the individual cell may be highly specialized.
Cell is structural and functional unit of life.
Cells are the structural unit of life because all organisms are composed of cells. The simplest organisms are single cell ones, such as bacteria. The bone, muscle, nerve and connective tissues you are made of are each composed of millions of individual cells. Each cell is itself carrying out life functions, so the cell is the functional unit of life. A cell has specialized parts, just as the organism has specialized organs and systems, that each carry out a function required for life. Raw materials come in, waste is removed, energy is spent, etc. Each cell nucleus contains the DNA programming of the entire being even though the individual cell may be highly specialized.
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