Chromosome number varies from one organism to another. or example, humans have 46 chromosomes while bacteria have only one chromosome.
The problem associated with the chromosome number of various organisms faced by evolutionists is that with the decrease in the size of an organism, the number of chromosomes also decrease. Thus, it becomes difficult to find and study the chromosomes.
Answer:
the skin,hair,naios,glands and nerves
The rate mainly effects the size of the crystals in the rock forming
Cell division or reproduction process is called mitosis