Growth of axillary (underarm) and pubic hair in females is stimulated by estradiol

Heritability is a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group

Indicate whether this statement is true or false.

The task of psychobiological researchers is to understand behavior at which of the following levels of analysis?

a. the broadest level b. the most precise level c. a moderately broad level d. a moderately precise level