Answer:
Genetic variation
Explanation:
Drift and natural selection are natural phenomena that occur when there exists genetic variation. In the first case (drift), the consequence will be the decrease in the genetic diversity, while natural selection will change the allele frequencies in order to favor adaptive genetic differentiation
There are several ways by which a skeletal system <span>help aid the body when its sick. Firstly, it helps in producing red blood cells in the body. It also helps in maintaining the level of calcium in the body. It also produces the stem cells that increases the immunity of the body. I hope that the answer has come to your help.</span>
They make their food furing photosynthesis
<span>The structure responsible for the storage of the bile is the gallbladder. It's a small hollow organ inside the abdomen. It's pear shaped and it's connected to the liver via the common hepatic duct. The bile is important because it helps digestion. Specially the digestion of fats</span>
A. Titanium. Titanium's atomic weight is 47.867