I believe the answer is three
Childbirth is scary enough for adult women, let alone an uneducated adolescent (depending on age). all women in labor need a coach, spouse or parent to comfort them through the delivery process to let the future mother know these stages are normal.
The forelimbs of all mammals are homologous traits, meaning that they originate from a common ancestral trait.
The correct answer is therefore C. Homologies (homologous traits), from the same common ancestor.
(To clarify, we know it is from a common ancestor because both bats and humans are mammals)
1 the child could get the trait from the grandparents
2 same as the answer on # 1
3 100# I answered that question a in lab in class
