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Higher Invertebrates Crossword Puzzle
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Higher Invertebrates



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4 An outer skeleton.
5 A chemical substance produced by leeches.
6 A rasping tongue characteristic of gastropods.
7 A repeating body unit found in earthworms and tapeworms.
8 Head foot.
9 Stomach foot.
10 A tissue that secretes shell material.
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1 A two part tube structure used by Bivalves to bring fresh water into their shells.
2 Tissues used for gas exchange in aquatic animals.
3 Latin for meaning many teeth.
4 An inner skeleton.
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Answer
 
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