When they compare they can see the difference and similarities to get to the end result
Bottleneck is the term used to define chance changes in the frequency of alleles which have a significant effect on small populations. The effect is that the population is greatly reduced because of the change in the allele frequency. A genetic drift will follow which will expedite evolution.
The answer is A because without the mitochindria, the cell dies
Gold is better, more valuable and silver is more common and less expensive
