1) Performance dips 2) Change in management team ( particularly chief Executive)
stimulus
Calcium ions bind to troponin and change its shape.
An ion channel.
If you define something has having an inside an an outside, then an internal change is something that happens inside. For instance if a company reorganised its staff into new teams, that would be a internal change.
Both, for the bug to exhibit an external change (its color), there must first be an internal change that triggers the color change (its color). Thus, the internal change facilitates the external change. The predator is an external factor that causes an internal reaction (maybe it's fear) in the bug, that internal reaction then triggers an external factor which is the change in color. Just a personal opinion.
1) Performance dips 2) Change in management team ( particularly chief Executive)
Internal control serve as alert systems for businesses. Once they have established triggers, they can operate their business knowing they won't have too many mistakes with internal controls in place.
depolarization
One basic internal signal that triggers Cell division is 'the size of the Cell'. External signals that do this exist...
asthma has many triggers or causes every person diagnosed wit asma has different triggers such as mold cockroaches and even season change you should know your personal triggers so you can be aware of them
stimulus
change in daylight length triggers breeding
despolarization
effector
Calcium ions bind to troponin and change its shape.
50-150 USD or so