<span>the initial breakdown of glucose to pyruvic acid
is the write option.
So i say it is D</span>
The mechanism that affected the gene pool of the immigrants that entered the United states Through Ellis Island is Gene flow.
Gene flow involves the movement of genes or alleles between interbreeding populations of a particular species. In other words it is the movement of genes from one population to another population. Actually it may be an important aspect of evolution; evolution can occur as a result of genes being transferred from one population to another. Gene flow occurs when there is migration, since the loss or addition of people can easily change pool frequencies even without no other evolutionary mechanisms operating.
It is the circulatory system and respiratory system.
Scratching insect bites can lead to infection, a superficial crusty infection of the skin.The scratching cause the skin around the bitten area to break open which causes infection. Example of insect that bites are mosquito, midge and flea among others.
