introduction

Organisms

All ______, even the largest, start their life from a single cell.

Growth

______ and reproduction are characteristics of cells, indeed of all living organisms.

Reproduction

All cells reproduce by dividing into two, with each parental cell giving rise to two daughter cells each time they divide.

Division

These newly formed daughter cells can themselves grow and divide, giving rise to a new cell population that is formed by the growth and division of a single parental cell and its progeny.

Cell

Cycles of growth and division allow a single ______ to form a structure consisting of millions of cells.