Respond to all questions!
1. Someone is dead when there is irreversible loss of brain activity, or blood circulation and respiration. However, only 1% of the person's cells have to die for all of these to happen. How can someone be dead when 99% of his/her cells are still alive?
2. Explain the difference between a one - celled organism and a single cell of a multicellular organism.
3. Any scientific theory can be modified or discarded upon the discovery of contradictory evidence. The absence of absolute certainty has led some people to conclude that "theories are irrelevant because they can change." If that is the case, should we stop scientific research? State the reasons for your response.
Need help to answer all the question. They are 3 questions.