Homo rudolfensis was discovered by
A. Raymond Dart.
B. Richard Leakey.
C. Charles Darwin.
D. Donald Johanson.
Answer: B
You might also like to view...
Standing still and at attention for long periods can result in inadequate venous return. The effects of this can be seen when even young and healthy soldiers sometimes faint when standing at attention for long periods. Which of the following is NOT occurring to promote return of blood from the venous system in this situation?
A. sympathetic activation of smooth muscle in large veins B. skeletal muscle activity compressing veins and forcing blood flow C. one way flow in the venous system due to valves D. ventricular contraction E. None of the choices for this question are correct.
Which of the following elements is considered an essential micronutrient for plants?
a. phosphorus b. silver c. molybdenum d. carbon e. lead
Fats composed of fatty acids that have double bonds in the fatty acids and have fewer than the maximum number of hydrogen atoms are:
A. saturated B. made of glycerol plus two fatty acids C. liquids at room temperature D. solid at room temperature E. generally found in animal fats
Taking a nap after meals is probably a good idea because it allows the body to digest the food as a result of the activities of the ________ nervous system
A) sensory B) central C) parasympathetic D) sympathetic E) somatic