Which of the following is correct with regard to the relation between brain size and body size?
a. Human brains are larger than other species when expressed relative to total body weight.
b. Human brains are larger than elephant brains in terms of absolute size.
c. The human brain is more than 5 of total body weight.
d. The elephant brain is larger than the human brain in terms of percent of body weight.
e. Larger brains require smaller bodies.
Question 2
Which of the following is true of the hominid species?
a. Homo sapiens left Africa around 1.7 million years ago.
b. Homo erectus made tools from stone.
c. Homo sapiens eventually killed off Homo neanderthalis through armed conflicts.
d. Modern humans are known as Homo sapiens.
e. Homo sapiens evolved directly from Homo neanderthalis.
Brain mass as a function of body mass in mammals.
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