Which of the following statements is true of meiosis? . a. it divides one haploid cell into four diploid cells.. b. it divides one haploid cell into two diploid cells.. c. it divides one diploid cell into two haploid cells.. d. it divides one diploid cell into four haploid cells.

Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?