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| Adaptation of a cell for a particular function. |
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| Cells become different from eachother. Occurs during the development of the embryo. |
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| Connections between cells that hold cells together as a unit. Example: Tissue |
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| Outer germ layer. Example: Skin |
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| Inner germ layer. Example: Digestive system |
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| Middle germ layer. Example: Muscle |
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| Body cavity; Fluid filled space between digestive tract and outer body wall. |
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| "False" coelom; body cavity not lined with muscle. |
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| What are two types of symmetry? |
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Radial- Symmetry all around, circular
Bilateral- Symmetry straight down the center |
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| What are the three different types of germ layers in animals? |
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Ectoderm
Endoderm
Mesoderm |
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| What is the main difference between an invertebrate and vertebrate? Which group is larger? |
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Invertebrates- No backbone (larger group)
Vertebrates- True backbone |
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