Please answer the following essay questions.

1		Discuss some ways in which apes are similar to humans in language use. Are they capable of symbolic thought and expression? What are the ways in which apes and humans differ in language ability?
2		Discuss the practice of co-sleeping with infants in human societies. Is it common or uncommon? What are some possible evolutionary advantages of parent-infant co-sleeping? Is there a standard human practice for raising infants?