Author Question: Which of the following is correct with regard to the relation between brain size and body size? ... (Read 359 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
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.



pratush dev

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

Answer: a. Human brains are larger than other species when expressed relative to total body weight.

Answer to Question 2

Answer: d. Modern humans are known as Homo sapiens.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library