This would be mitosis. mitosis consist of four main parts interphase,prophase,metaphase, anaphase, and telophase which also included cytokinesis which you can also study this term by using this terminology ( I P M A T )
common descent means the evolutionary in biology and how they have something linked with their common ancestors.
Answer:
The ecosystems are different
Explanation:
Every ecosystem needs most of the types, such as producers and herbivours, but different animals need different climates, such as cacti need deserts, yet fish need water, they can't( Or shouldn't ) Be in the same ecosystem due to thier needs.
Since mitosis is the division of cells, in this case, skin cells, it allows the dead skin cells to fall off. Also, mitosis can fix any injuries. Without mitosis, these things would not happen.