Death in Childbirth Partially Explains the Lack of a Female

question 119

Multiple Choice

Death in childbirth partially explains the lack of a female advantage in longevity in developing countries today; however, another part of the difference in some countries results from

• A) more baby girl twins being born than baby boy twins.
• B) more baby boys being conceived than baby girls.
• C) baby girls having more complications during birth than baby boys.
• D) infanticide of baby girls.

---

Definitions:

Roché Moutonnée

A rock formation created by glacial erosion that leaves one side of the rock smooth and polished and the other rugged and plucked.

Esker

A long, narrow, sinuous ridge composed of sediment deposited by a stream flowing within or beneath a glacier.

Kame

A geological feature that consists of an irregularly shaped hill or mound composed of sand, gravel, and till, deposited by a melting glacier.

Stratified

Layers of rock, sediment, or other materials that have been laid down successively on top of one another, each layer typically differing in composition or character.