Selaginella life cycle

Introduction to mitosis vs. meiosis 

Comparing mitosis and meiosis 

Change in chromosomes number

Mitosis only goes through one round of cell division, which is why it is end with 2 cell that are still diploid . meiosis through two round of cell division , so it ends with 4 cells and thats are haploid .

Haploid means the cells only have half of the DNA