Which of the following happens when mammals or birds sleep?

An evolutionary psychologist studying the evolution of the human hand examines and tries to understand the structure of the hand and then assesses it side-by-side with the hands of other species (e.g., chimps). What two approaches, in order,

is this psychologist using? a) comparative; functional b) functional; comparative c) relational; structural d) structural; relational

George and Kathy are searching for the location of a sound. Based on studies of adult brains, we can say that __________

a) George and Kathy are likely to be using different areas of the brain during this task . b) George and Kathy are likely to be using the same areas of the brain during this task . c) George is likely to be using more of his brain for this task than is Kathy . d) Kathy is likely to be using more of her brain for this task than is George.