As humans developed from hunter gatherers to farmers, food became more stable.

As humans developed from hunter gatherers to farmers, food became more stable.
 
  a. True
  b. False
   Indicate whether the statement is true or false

Question 2

Which of the following statements about scorpions is true?
 
  a. All scorpions lay eggs.
  b. Cannibalism of the young occurs frequently in captivity.
  c. A clutch typically contains between five and ten young.
  d. Both parents care for the young.

Question 3

Modern agriculture requires billions of gallons of water for crop production.
 
  a. True
  b. False
   Indicate whether the statement is true or false

Question 4

The gestation period for a scorpion is _____.
 
  a. between 16 and 42 days
  b. more than two and half years
  c. several months to a year and a half
  d. no less than seven weeks and no more than ten weeks