Author Question: While the human brain makes up only _____ of the bodys weight, it requires about _____ of the bodys ... (Read 67 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
While the human brain makes up only _____ of the bodys weight, it requires about _____ of the bodys resources when at rest.
 
  a. .75; 8
  b. 2; 15
  c. 4; 25
  d. 7; 30

Question 2

Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size?
 
  a. The earliest Homo sapiens were as intelligent as contemporary humans.
  b. Although brain size has remained constant, brain density has increased.
  c. The physiological cost of a bigger brain exceeds its benefit.
  d. More efficient neuronal connections account for modern human advancements.



allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

ANSWER:
b

Answer to Question 2

ANSWER:
c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

For a complete list of videos, visit our video library