1. The article uses the word "______________________" to refer to how mothers speak to their babies.
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2. 1. Reseach showed that dolphins used ___________________ when communicating with their young.
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3. How what did researchers use to learn about this?
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4. Which of the following IS NOT a reason for this child-directed communication?
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5. According to the article, ________________ is something that dophins have in common with humans.
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Did you know?
Dolphins are known for using a wide range of clicks, whistles, and body movements to communicate, and some research suggests mothers use unique signals with their calves. Science articles like this are a great source of vocabulary for talking about animal behavior and research methods.
Keep Practicing — More Reading Exercises for You:
Reading comprehension is one of the best ways to build vocabulary and improve your exam score — try these other passages next.