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Which animals are vertebrates? ๅชไบๅจ็ฉๆฏ่ๆคๅจ็ฉ๏ผ
Humans, dogs, cats, birds, and fish. ไบบ็ฑปใ็ใ็ซใ้ธๅ้ฑผใ
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15
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What is an exoskeleton? ไปไนๆฏๅค้ชจ้ชผ๏ผ
A skeleton on the outside of the body. ่บซไฝๅค้จ็้ชจ้ชผใ
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Why do animals need a skeleton? ไธบไปไนๅจ็ฉ้่ฆ้ชจ้ชผ๏ผ
To support their body, protect their organs, and help them move. ไธบไบๆฏๆๅฎไปฌ็่บซไฝใไฟๆคๅฎไปฌ็ๅจๅฎ๏ผๅนถๅธฎๅฉๅฎไปฌๆดปๅจใ
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15
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What is an endoskeleton? ไปไนๆฏๅ ้ชจ้ชผ๏ผ
A skeleton inside the body. ่บซไฝๅ ้จ็้ชจ้ชผใ
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eraser
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fairy
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gift
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thief
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seesaw
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star
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rocket
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lifesaver
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15
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What am I? I am a hard shell on the outside of an animal's body. ๆๆฏไปไน๏ผๆๆฏๅจ็ฉ่บซไฝๅค้จๅ็กฌ็ๅฃณใ
An exoskeleton. ๅค้ชจ้ชผใ
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15
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Fill in the blank: An animal without a spine is called an ______. ๅกซ็ฉบ๏ผๆฒกๆ่ๆฑ็ๅจ็ฉๅซๅ______ใ
Invertebrate. ๆ ่ๆคๅจ็ฉใ
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15
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What is a vertebrate? ไปไนๆฏ่ๆคๅจ็ฉ๏ผ
An animal with an endoskeleton and a spine. ๆๅ ้ชจ้ชผๅ่ๆฑ็ๅจ็ฉใ
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thief
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fairy
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rocket
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thief
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What is an invertebrate? ไปไนๆฏๆ ่ๆคๅจ็ฉ๏ผ
An animal with an exoskeleton and no spine. ๆๅค้ชจ้ชผไฝๆฒกๆ่ๆฑ็ๅจ็ฉใ
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15
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True or False: Humans are vertebrates. ๅฏน่ฟๆฏ้๏ผไบบ็ฑปๆฏ่ๆคๅจ็ฉใ
True. ๅฏนใ
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Which of these is a vertebrate? A) Spider B) Crab C) Dog D) Snail ไปฅไธๅชไธชๆฏ่ๆคๅจ็ฉ๏ผA) ่่ B) ่่น C) ็ D) ่็
C) Dog. C) ็ใ
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What does an identification key help scientists do? ้ดๅฎๆฃ็ดข่กจๅธฎๅฉ็งๅญฆๅฎถๅไปไน๏ผ
Identify and group animals. ่ฏๅซๅๅ็ปๅจ็ฉใ
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What does the word "endo" mean? "endo"่ฟไธช่ฏๆฏไปไนๆๆ๏ผ
Inside. ๅ ้จใ
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thief
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gift
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gift
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thief
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