<span>These are viroids. They are some of the smallest types of matter that have been shown to take on the properties of living beings. They have the ability to replicate, while not having many of the mechanisms that are commonly found in DNA and required for them to replicate.</span>
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
The correct answer to go in the blank would be ''laws''.
Through electrochemical processes
The correct answer is sewage, I just did this stuff in class last week.
