Does the birth of a sibling have an impact on existing children in the family?
a. No, it usually does not.
b. Yes, but the effects are almost always positive.
c. No, unless there is more than one sibling already in the family.
d. Yes, in both positive and negative ways.
Question 2
Which of the following can be said about male conception?
a. Fewer males are conceived, but more survive to birth.
b. More males are conceived and more survive to birth.
c. More males are conceived and more are spontaneously aborted.
d. About the same number of males and females are conceived.
The family tree of HIV and related viruses
A farm family in Custer, Nebraska, in 1888, a region where Populist sentiment was strong.
A family of African Americans arrive in Chicago, migrants from the American South, in an exodus that
Typical life cycle of the tick family.
Barenboim's study show the change in children's descriptions of their peers
Lemon shark giving birth to young that recently hatched in her body. The young were nourished by egg