Earth changes all the time, making it a <u>dynamic </u>planet.
Seeds divide by meiosis because mitosis is a continuous process of division in animal multicellular organisms where as meiosis occurs in plants to produce gametophytes.
The observation that deals more with senses instead of graphs and data.
If it is how you described it and there are not very many organelles on the inside, then I think it is a algae cell.
