Answer:
approtiate labels is the right ans. I think
The nucleus of a eukaryotic cell directs the cell’s activities and stores DNA. not only does the membrane let molecules into the cell, but it also lets wastes suck as carbon dioxide out of the cell
<span> a characteristic of acids is that they react with metals to release hydrogen gas.</span>
<span>The hormone INSULIN is released from the pancreas when blood glucose is elevated above a normal range.
This hormone regulates your blood sugar level. When your blood glucose is elevated above a normal range, the insulin is released from the pancreas. It then attaches itself to the cells and signals them to absorb the excess sugar from the blood stream.
If your blood sugar level is low, insulin signals the release of stored sugar to the blood stream to maintain the normal level of your blood glucose.</span>
Answer: Well, populations never evolved than one human might have gone extinct due to many different viruses and sicknesses but other animals might not be extinct. If populations never grew more then that would be because we could not overpower dome viruses. If we never. If we never evolved animals like a Carrier pigeon would not be dead or extinct today.