How does the fossil record allow us to determine a common
ancestor?

We can see similarities in the autonomy of the organisms. The fossil record also creates a timeline to show which organisms came first. They can then categorize the fossils and look for evolutionary relationships.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.