Which of these are part of the respiratory system? (Select all that apply.) larynx
sinuses
heart
lungs

How does natural selection change thephenotypes within a population over time?

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?