The four factors are availability of food, water, shelter and space. The effect they have on the population includes: lower birth rates, increasing death rates or leading to emigration
Answer:
Insulin helps your body turn blood sugar (glucose) into energy. It also helps your body store it in your muscles, fat cells, and liver to use later, when your body needs it. After you eat, your blood sugar (glucose) rises. This rise in glucose triggers your pancreas to release insulin into the bloodstream.
Explanation:

The pain you feel from accidentally burning your hand while cooking is an example of
neurons taking information from your senses (touch, in this case) to your brain.
Which of the three types of neurons is this an example of?
Answer:
Motor is the correct Answer-
The central nervous system uses the information to send messages through motor neurons to tell the body how to respond to the information.
Hope this helps!
<span>Cell membranes protect the cells that is why they are called the gatekeepers of the cell. A cell membrane can be internal or external like that of the case of eukaryotic cells with internal cell membrane. It is mostly made up of glycerophospholipids. This compound like other lipids is also soluble in water however, their unique geometry allows them to aggregate into bilayers without too much energy input. Cholesterol can also be found in the cell membranes however, it is not as abundant as the glycerophospholipids.</span>