Answer:
If I am correct it is when the weaker individuals or mutated individuals are killed of by other predators or by nature. Because they cannot survive this is natural selection because they are killed of by nature. Then if they are weak their species will go extinct, thus they are naturally selected to die and only the strong species remain.
Answer:
The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of melatonin.
Explanation:
Melatonin is a hormone produced naturally by the body. Its function is to regulate the body's circadian cycle. This hormone is stimulated and begins to act by changing between a light environment and a dark environment. This stimulation interacts with the suprachiasmatic nuclei making the nervous system understand this change and luminosity of the environment and respond to the action of melatonin.
Answer:
Phospholipid bilayer
Explanation:
That is essentially the primary componenent of the cell membrane where phospholipids form two layers.
This method of shooting is called SNAP SHOOTING.
Snap shooting is a type of shooting which involves throwing both the rear and the front sights of a gun into line between the eye and the target and pulling the trigger. All these have to be done in one motion. This type of shooting is normally used when the target is at a close range.