Dr. Fox studies the causes of depression. In other words, she looks at factors that play a role in the ________ of depression

A researcher studies the relationship between two variables and determines the likelihood that a change in one variable will result in a change in the other. What type of research is this person conducting?

experimental correlational observational descriptive

In prenatal development, the process through which each new cell, as it divides, forms a particular structure with a specific function is referred to as

A) specialization. B) differentiation. C) ovulation. D) fertilization.