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Mbio Module 6

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Anadromous   show
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Demersal   show
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show Surface pigment cells that expand and contract to produce various colors  
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Myomeres   show
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Gill rakers   show
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Migrations   show
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show Referring to fishes that migrate from fresh water to reproduce in the ocean  
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Hermaphroditism   show
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show A type of development in which eggs are hatched outside a female’s body  
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show A type of development in which eggs are hatched inside the female’s body  
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Viviparous   show
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Subphylum of Chordata   show
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show Organisms in this subphylum have a vertebral column after development  
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What is a vertebral column?   show
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show The cord in the body that is protected by the vertebral column  
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Agnatha   show
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Two orders of Class Agnatha?   show
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show Sharks, rays, skates  
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Why can’t sharks produce true bones?   show
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What type of scales do sharks have?   show
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show Because their teeth and scales are made of the same material!  
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Spiracles   show
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Nares   show
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show “Creatures [that] have a short, rounded snout and a long, pointed caudal fin. They are mostly deep-water fishes.”  
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show Bony fishes  
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show Placoid, cycloid, and ctenoid  
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Cycloid   show
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Ctenoid   show
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Swim bladder/air bladder   show
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show Camouflage, disguise, advertisement  
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What is the purpose of camouflage?   show
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show Hiding vulnerable parts of the body, disruptive coloration  
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show advertising for cleaning or to warn off predators (for poison fishes)  
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show Sensors that detect electrical fields in the water (lateral line)  
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Internal fertilization   show
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Claspers   show
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show Where many fish release their gametes at once  
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External fertilization   show
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Created by: akikoandpoog
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