Please answer the following essay questions.

1		Describe the “small but healthy” hypothesis developed by Seckler (1980). How is body size an adaptation to environment? How does the small body size adaptation affect the individual? What are some problems with this hypothesis?
2		Describe some physiologic and cultural adaptations to cold stress. How are they different? Describe some physiologic and cultural adaptations to heat stress. How are they different from those developed in response to cold stress?