Please answer this for me (9)

In which situations is the principle of cross-cutting relationship useful in determining relative age?

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?

Which direction does the energy flow in this energy pyramid ?