I just took a test in school today. What question was I asked?

Question I was asked: What is the outermost structure in a plant cell?

I just took a test in school today. What question was I asked?

Question I was asked: Grooves running down the sides of a riverbank are most likely caused by

I just took a test in school today. What question was I asked?

Question I was asked:
A characteristic that all living organisms have in common is they