Bone cells just stopped reproducing, never replacing themselves.
Some animals in the worst-hit areas also died or stopped reproducing.
But when an organ, for example, reaches a characteristic size, the cells suddenly stop reproducing and growing.
A female will usually stop reproducing once reaching the age of about 40 years.
Depending on the cell and the concentration of ethanol, cells may either stop growing, stop reproducing, or die.
Some fly to nearby silver birches and others to other parts of the same tree but by about July they stop reproducing.
They'd stopped reproducing after making the shift to synthetic bodies.
No one knows whether the caribou herd that bears its young near the coast would stop reproducing or simply move elsewhere.
The exploding population of molecules reaches a limit to growth and stops reproducing.
Living up to their name the love bird pair couldn't stop reproducing.