Explanation:
a type of cell division that results in four daughters cells each with half the numbers of chromosomes of the parent cell , as in the production of gametes and plant spores
Meiosis, the cells produced are not genetically identical
Earth is a living planet because it is habitable by living organisms. It has a perfect condition for life hence organisms exists not only on the land, but also in the water and the atmosphere. Mars on the other hand does not have the correct atmosphere, and a temperature not conducive for life.
The answer is <span>neurogenesis and hippocampus</span>