1. What is the greater purpose for which the author wants to use his observations of the activities of the biological creatures?
(a) To improve the way people look at biological creatures.
(b) To increase the public's awareness on marine life in Mexico.
(c) To understand and improve the human species.
(d) To improve the laws and regulations regarding sea expeditions.

2. Why are the particular dates chosen for an expedition?
(a) The destination, the Sea of Cortez, is known to have dangerous storms that quiet down during the period chosen by the travelers.
(b) The travelling rules have just been lifted which enabled the travelers to journey to sea.
(c) The dates were chosen based on the birthdates of the travelers because they wanted to celebrate at sea.
(d) The expedition had to be done at a time when the travelers' children were vacationing with their grandparents.

3. Who is Tex?
(a) The leader of the four-string quartet hired for the expedition.
(b) The mechanic of the crew.
(c) Ed Rickett's son.
(d) John Steinbeck's son.

4. What is Tony's requirement to the group?
(a) He requires that the course be maintained as perfectly as possible.
(b) He requires that they wash heir hands prior to taking the wheel.
(c) He requires that they say a seaman's prayer before taking the wheel.
(d) He requires that no one will talk while at sea.

5. What type of biologist is preferred by John Steinbeck?
(a) The type who studies life in all its complexities.
(b) The type who work for the big corporations.
(c) The type who teaches in the university.
(d) The type who study dead, preserved animals.