They use different genetic codes
I believe the last option is the correct one for the illustration of the single celled organism provides and the environment that it is found living in.
Answer:
They are all built of chemically linked monomers.
Answer:
With an experiment following the scientific method
Explanation:
The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis. Critical thinking is a key component of the scientific method. Without it, you cannot use logic to come to conclusions.