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Module 6 Vocabulary

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Question
Answer
Anadromous   A life cycle in which creatures are hatched in fresh water, migrate to salt water when adults, and return to fresh water in order to reproduce.  
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Demersal   Fishes that live on the bottom of the ocean  
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Chromatophores   Surface pigment cells that expand and contract to produce various colors  
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Myomeres   Bands of muscle along the sides of fishes used for locomotion  
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Gill rakers   projections along the inner surface of fishes' gills used for filter-feeding  
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Migration   The regular movement of an organism from one location to another  
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Catadromous   Referring to fishes that migrate from fresh water to reproduce in the ocean  
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Hermaphroditism   A situation in which an animal has the reproductive organs of both sexes  
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Oviparous   A type of development in which eggs are hatched outside a female's body  
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Ovoviviparous   A type of development in which eggs are hatched inside the female's body  
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Viviparous   A type of development in which the young obtain their nutrients directly from the mother and are birthed live  
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