Why do cells divide rather than get bigger? 1)the can't get bigger
2)the bigger they get, the less efficient they are and can't 3)not meet the needs of the cell
4)diffusion is enough for the cells to grow
5)osmosis allows for larger cells

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

Which of the following forest management practices is best for reestablishing areas of forest?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.