Q: Vertebrates have tissues which are organized into organs which in turn are organized into what? Choices: - artificial systems - information systems - maturation systems - organ systems A:
organ systems

Q: What are passed from one generation to the next so species can survive? Choices: - selections - mutations - fluctuations - adaptatioins A:
adaptatioins

Q: How is the energy of an atomic orbital affected as the principal quantum number increases? Choices: - it decreases - It doubles - It triples - it increases A:
it increases

Q: What is the time interval required for one complete wave to pass a point called? Choices: - cycle - minute - half-life - period A:
period