Because they didn't have microscopes then.
Simply because cells were only a theory untill technology allowed for powerfull enough microscopes to physicly observe a cell.
The building blocks of living things are cells and of non-living things are molecules.
Non-living things do not have cells. Cells are the fundamental unit of life - meaning only living things are made of cells.
Yes, all living things are made up of cells :)
yes let me tell you da cell theory - all living things made of cells -all cells come from exixting cells -all living things are made up of one or more cells
Living things have cells. And living things use energy.
all living things are made up of cells
Yes all living things are composed of cells.
Living things need cells to live and survive.Without cells,they cannot live. Plants and animals are some examples of living things who have cells in their body.
The building blocks of living things are cells and of non-living things are molecules.
Cells are the basic unit of living things.
Yes, all living things are made up of cells and only living things.
Cells are the basics units of structure and function in living things and all living things are made up of cells.
Yes, all living things are made up of cells and only living things.
Non-living things do not have cells. Cells are the fundamental unit of life - meaning only living things are made of cells.
The cell theory is a widely accepted explanations of the relationship between cells and living things.the cell theory statesall living things are composed of cells.cells are the basic unit of structure and function in living things.all cells are produced from other cells
Nonliving THINGS do not contain cells, however ALL THINGS, whether living or non-living, do contain atoms.
living things are organized by cells.