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Chordates/Perch

Review of our section on bony fish

QuestionAnswer
A supporting rod that runs below the nerve cord Notochord
Because of what they eat perch are known as what? Carnivores
This is the tube that runs from the mouth of a perch to the stomach esophagus
This is the long coiled tube where most food is disgested and absorbed by the perch Intestine
This is the first place in the perch that food begins to be broken down Stomach
These two organs release enzymes to help the perch to break down food Pyloric Ceca, Liver
Solid waste is excreted here by the perch Anus
Fish pull in water through their gills that is rich in this component Oxygen
Gills are advantages to it's fish because of increased _______________ for oxygen absorption Surface area
The perch has a _________ circulatory system closed
This is the chamber in the heart that holds blood when it enters the heart. Atrium
This is the chamber of the heart that pumps blood out of the heart Ventricle
Waste is removed from the blood by these Kidneys
This is the center of the perch's nervous system Brain
The perch is able to do this which helps it avoid predators and find food Detect vibrations
Fish have one of these to ensure that they do not sink Swim bladder
This is what fish to do move Contract back muscles
Fish use these as stabalizers Fins
Perch undergo fertilization ______________. Externally
This is the fin on the perch that is spiny and sharp Dorsal
This covers the gills of a perch and protects them Operculum
This is the fin on a fish found directly behind the gill slits Pectorial
This is the fin that helps fish move through the water Caudal
These structures caused the insides of our perch in the lab to be pushed forward Gonads
Fish have these all over the outside of their bodies which help with protection Scales
Created by: Mr.Craig
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