Term
List ways a birds' body is adapted for flight. |
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Definition
1. hollow bones
2. internal skeleton
3. wings
4. feathers
5. strong flight muscles
6. an efficient respiratory system
7. well developed senses, especially eye sight |
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Term
What are the bones of a bird like? |
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Definition
They are hollow. Many are joined together. |
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Term
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Definition
They have two lungs. Each lung is connected to balloonlike air sacs that reach into different parts of the body, including some of the bones. Air flows in only one direction through a bird's lungs. They receive air with oxygen when they inhale and when they exhale (unlike other vertebrate). |
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Term
List three types of mammals. |
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Definition
monotremes, marsupials, placentals |
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Term
What do mammary glands produce? |
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Definition
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Term
What are the different types of teeth for mammals? |
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Definition
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Term
List three uses of wings on birds. |
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Definition
1. to fly
2. for warmth
3. for camoflage |
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