Rain forests cover just 6 percent of the earth's land surface, yet they containpercent of earth's species. 30 60 70 40

70 percent of earth species is in the rain forest

not sure if this what   you'r looking for would be percent composition

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.