How are meiosis and mitosis different

This rapid change in species that rarely leaves behind fossil evidence is referred to as

Evolution acts upon the population of organisms and not on each individual organism

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?