How does a classification key help identify an organism , help me please

Which of the following is not an example of conflict between related individuals?

Two critical interventions to turn around the opioid crises are:

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?