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Definition
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Definition
| Solid ball of rapidly dividing cells |
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Definition
| The hollow ball of cells that is formed from rapid cell division |
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Definition
| Fluid filled cavity in the blastula |
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Definition
| The 4 germ layers are established |
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Definition
| The opening formed from gastrulation |
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Definition
| Shallow depression on the deeper cavity that becomes the gut |
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Definition
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Definition
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Definition
| Starfish, are deuterostomes |
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Term
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Definition
| Have two germ cell layers, endoderm and ectoderm |
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Term
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Definition
| Do not have a enclosed body cavity |
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Term
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Definition
| Have a fluid filled space in which organs are suspended |
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Term
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Definition
| True body cavity that develops within the mesoderm |
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Definition
| The phylum in which sponges belong to |
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Term
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Definition
| Thing at the top of starfish |
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Definition
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Definition
| Attaches the wing muscle, some are smaller because the birds are flightless |
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Definition
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Definition
| A modified collagen protein that is found in bath sponges |
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Definition
| Calcium carbonate and silica that is found in glass sponges |
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