The Process in which pesticides are stored in body tissues is known as Bio-Accumulation.
When pesticides get into our body through eating food which is not go through the process of metabolism or which is not excreted, that is stored in fatty tissues of the body and as time passes we may build up high concentration of pesticides in our body. Pesticides are the chemical compounds used for killing pests, bacteria etc.
Take energy from other organisms and make it usable for other organisms
Mutation would be the best answer.
DNA is unzipped by helicase at the origin of replication. There are several origins of replications in eukaryotic DNA replication, while only one in prokaryotic replication.
