They are connected by tendons
It allows the individual in a populations to survive and have offspring with the desire trait needed to live while those without will die out
<span>A change in a organism's surroundings that causes the organism to react is called a stimulus</span>
The answer is signal transduction. It is also known as cell signaling. It is the transmission of molecular signals beginning from a cell's exterior to its interior. Signals got by cells must be transferred efficiently into the cell to make certain a suitable response. This step is started by the cell-surface receptors.
