Did the changes you observed in the moth populations result from individual moths changing colors? Or did they occur because the best-hidden moths survived and reproduced, passing on their colors to their offspring? Explain your answer.

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?