When comparing bones from ancient fossils and modern bones--what is the primary technique do scientists use to compare the bones? question 3 options: chemical composition of bones dna printing bone density observation with eyes

The answer is bone composition. While the other answers are also techniques used to compare bones, the primary techniques would be bone composition. This is because bones of different species vary greatly in the composition of content such as collagen, extractable proteins, and ash content.

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement