If a population size does not increase or decrease, what has it reached?

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Cells control gene expression at which steps

How to farmers could ensure that they only grow white flowers