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

Swordtails have sharp tails that look like a sword sticking behind the fish. They are small and, like guppies, they give birth to live babies. They have very straightforward, easily understood genes and are often used by scientists for experiments and research. As a result, there are many interesting hybrid species of the swordtail fish.

  1. 1. Who likes to use swordtail fish?
    1. a. Schools
    2. b. Cooks
    3. c. Scientists
  2. 2. Swordtails breed by...
    1. a. Hatching eggs
    2. b. Laying eggs
    3. c. Delivering live babies
  3. 3. What does a swordtail's tail look like?
    1. a. An arrow
    2. b. A spoon
    3. c. A sword