The lower the fossil the older it is.
So, if two fossils were in different layers of sedimentary rock, the lowest fossil is older.
Answer:
Biology, study of living things and their vital processes. The field deals with all the physicochemical aspects of life. ... Modern principles of other fields—chemistry, medicine, and physics, for example—are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics.
Explanation:
Most galaxies have billions of stars.
Genetic information is your DNA, other known as deoxyribonucleic acid. It is basically your identification.
Genetic information (DNA) helps you know and understand health conditions that run in your family, as well as your risk for developing certain health conditions or having a child with certain conditions. This information can help you make healthy lifestyle choices and important life and medical decisions.
It can also be used to identify a perpetrator in a crime. There are many uses for DNA.
If this is not enough, feel free to use this link to learn more about DNA: https://en.wikipedia.org/wiki/DNA