One of the largest and most active organizations dealing with issues of mental illness is

When both the mother and father are present in the family, children have fewer behavior problems

Indicate whether the statement is true or false.

Pheromones play a role in which of the following animal behaviors?

a. mate attraction only b. dominance and territorial marking only c. aggression only d. aggression, dominance, and territorial marking only e. aggression, dominance, territorial marking, and mate attraction