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Presentation about the main characteristics of fish, aimed to 7-9 year old children
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FishFish
Fish are vertebratesFish are vertebrates
Fish have a thin skeleton inside, so they Fish have a thin skeleton inside, so they are vertebratesare vertebrates
Fish are oviparousFish are oviparous
Fish lay eggs in the water and baby fish Fish lay eggs in the water and baby fish hatch from them. hatch from them.
Fish live in the waterFish live in the water
Some fish live in rivers and lakes and Some fish live in rivers and lakes and other live in the ocean, but all fish need other live in the ocean, but all fish need to live in the waterto live in the water
Fish breathe with gillsFish breathe with gills
Fish take the oxygen in water using gillsFish take the oxygen in water using gills They don’t have lungsThey don’t have lungs
Body covered with scalesBody covered with scales
Fish have their body covered with scalesFish have their body covered with scales
No legs: FinsNo legs: Fins
Fish have no legs. They swim in the Fish have no legs. They swim in the water using fins. water using fins.
They have several fins on their body, the They have several fins on their body, the most important ones are lateral fins, most important ones are lateral fins, dorsal fin (on the top) and caudal fin (the dorsal fin (on the top) and caudal fin (the tail)tail)
Some fish are...Some fish are... SardineSardine TroutTrout SalmonSalmon EelEel SharkShark CodCod HakeHake And many more!And many more!
Summing up!Summing up!
Fish are Fish are vertebratesvertebrates They are They are oviparousoviparous Fish live in the Fish live in the waterwater and breathe with and breathe with lungslungs
Their body is covered with Their body is covered with scalesscales They have got They have got finsfins to swim to swim Fish are Fish are cold-bloodedcold-blooded