Which is TRUE of only children relative to children with siblings? a. They are more egotistical. b. They are more selfish. c. They are smarter and more mature. d. They are more likely to be ""spoiled brats.""

Option B) They are more egotistical

Explanation:

A singly raised child is more likely to be egotistical i.e considering himself or herself to be better and more important than others.

This perception is simply due to the focused attention, endowment, care and nurture given to such a child (in the absence of any sibling) by the parents.

Thus, singly raised children are more egotistical than children with siblings

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

voluntary muscles are controlled by the cerebellum.