How do both biology-anthropology contribute to our understanding of what the family is?

Questions
1.Small compares various cultures and their child rearing practices in relation to crying, feeding and sleeping. What are the strengths and/or limits of this presentation? What do you think of her critiques of American practices? Has her view altered any of your views on how to care for a newborn? Culture & Biology in Childrearing

2. How do both biology and anthropology contribute to our understanding of what the family is? What does anthropology tell us about families that biology does not?Anthropology & Family each question should be about a page long with an outside source for each question.