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Hammerhead Shark

Read the story and answer the questions to test your comprehension.

Scientists have been puzzling over the hammerhead for years. Why is its head shaped like a hammer, with its eyeballs and nostrils on the end? Sharks use an electric field to sweep the water for prey, this process is called electrolocation. It turns out that the hammerhead's unique head makes it ten times more sensitive to electric fields than other sharks.

  1. 1. How many times more sensitive is a hammerhead than a regular shark?
    1. a. 5
    2. b. 2
    3. c. 10
  2. 2. What is "electrolocation"?
    1. a. What the shark uses for energy
    2. b. How a shark sweeps the area for prey
    3. c. A charge in the shark's skin
  3. 3. Where are a hammerhead's eyes?
    1. a. On either side of the hammer
    2. b. In front
    3. c. On its back