Final Answer:
Dolphins are mammals that live in the ocean, and they have traits like breathing air and feeding their babies milk, which makes them different from fish, reptiles, or birds.
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Explanation:
- First, read the whole paragraph to understand what it’s mostly talking about. It’s all about dolphins and how they’re different from other sea animals.
- The main idea is the big point the writer wants you to remember. Here, it’s that dolphins are mammals—even though they live in water.
- Supporting ideas are small facts that help explain the main idea. For example: “Dolphins breathe oxygen” and “Dolphin mothers feed their babies milk.” These show why dolphins are mammals, not fish or birds.
- So, put the main idea in your own words: Dolphins are ocean mammals with mammal traits like breathing air and nursing their young.
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Parent Tip: Review the logic above to help your child master the concept of 5th grade main idea worksheet.