Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
Well there different because a habitat is the environment in which the animals live and a niche is the role animals play in that environment. So they are different but they work hand & hand in creating a good environment.
The answer is (3) an increase in the proportion of offspring <span>that have favorable characteristics.
</span>In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. Peppered moth color variation is a good example of natural selection.<span>During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths.
Therefore, the </span>proportion of offspring <span>that have favorable characteristics in such environment will increase.</span>
Ok so i took biomedical sciences. Totally going to help.
Um some of the processes include examining the a dead person if they have died recently.
Others include looking at bone structure as well as certain factors that determine what types of diseases they have and time of death and such and such.
Again i'm not really sure soooooooo this is all i can really get you.
P.S. i think with some modern technology people are able to extract dna from bones but don't quote me on this. That DNA can be used to identify people. I think.