I'm not sure, but I think it would be mud.
<span>DNA methylation is a process that can change the activity of a gene without rearranging the DNA sequence. The mechanism most often is used to inactivate genes.</span>
A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
Answer:
b
Explanation:
Van leeuwenhoek, hope this is right! good luck!