1. Directions

You will read passages on the topic and then answer questions about them. You may find vocabulary at the end of the test. Read the questions carefully before choosing the correct answers.

2. Questions of the test

Question 1. What is the main coloration of an orca?
A) Black and white
B) Gray and white
C) Black and gray
D) Blue and white

Question 2. How do orcas use their vocalizations?
A) To communicate with other orcas in their community
B) To locate and discriminate objects underwater
C) To bring their pods together over large areas of water
D) All of the above

Question 3. What is the main prey of orcas?
A) Seals, sea lions, and whales
B) Seabirds, fish, and squid
C) Marine mammals such as seals and sea lions
D) Both A and B

Question 4. How tall can the dorsal fin of a mature male orca be?
A) Less than 1 meter
B) Between 1-1.5 meters
C) Between 1.5-2 meters
D) More than 2 meters

Question 5. What is the average length of an orca?
A) Between 3-4 meters
B) Between 4-5 meters
C) Between 5.8-6.7 meters
D) More than 9 meters