FISH PROYECT
Slides in this set (9)
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- You can tell the age of a scaly fish by counting the number of rings on its scales.
- Sometimes the rings on scales are wide and sometimes they are narrow depending on whether the fish has had a good supply of food.
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- Fish are aquatic animals that live in marine and freshwater enviroments (seas, oceans, rivers...)
- They have fins that help them to swim.
- They have scales.
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- NUTRITION:
- -Some are:
- -carnivores like salmon
- -herbibores like parrotfish
- -omnivores like carp
- -fish breathe through gills
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- REPRODUCTION:
- -fish have separates sexes
- -most of them are oviparous and their fertilisation is external
- -sharks and rays use internal fertilisation
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- INTERACTION:
- -fish have a senses organ called a lateral line
- -this runs along each side of the body and detects changes in water preassure or the presence of pray or predator
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- Fish scales are coloured so that the fish will blend in with its surroundigs.
- This is called: CAMOUFLAGE
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- All fish are vertebrates.
- (have a backbone)
- They were the first animals to have backbone.
- (vertebrates)
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- MADE BY:
- MARTA BARROCAL
- CRISTINA REVUELTA
- MARTA CRESPO