Microscope
I believe it was Robert Hooke who observed cork cells under a microscope and noticed how the cells looked like "jail cells" and that's when he coined that term.
Function
Cells.
Cells are the basic structure of living things, im not so sure about what you mean by basic function.
Cells provide structure, stability, and energy. A cell also determines the sex of the concerning child because they contain genetic material. Therefore, concerning cell structure determine the function.
By the structure of its cells
I believe it was Robert Hooke who observed cork cells under a microscope and noticed how the cells looked like "jail cells" and that's when he coined that term.
Function describes what cells do; in a multi-cellular organism the function is why the cell exists. And the structure makes it possible for a cell to perform its function.
Structure and Function
Function
Function
Function
Cells.
Cells are the basic structure of living things, im not so sure about what you mean by basic function.
Tissue
Cells.
Cells