The answer for this question would be the second option. Genomic studies cover the analysis of the changes of genome by scanning the markers across complete sets of DNA. Based on these studies, the change in gene sequences happen that resulted to a change in the way that the brain interprets speech in between 4 and 9 million years ago.
These are sensor, registry and short-term memory.
The second option sounds right because photosynthesis and chemosynthesis are basically the same thing exceot one uses chemicals. pretty sure
