An ==Key Stage 1=====Meaning=== A '''fish''' is an [[animal]] with a [[backbone]] , gills and wet scales. : Singular [[Noun]]: '''Fish''': Plural [[Noun]]: '''Fish''': [[Verb]]: '''To fish''' ===About Fish===: Most '''fish''' lay soft eggs.: Starfish and Jellyfish are not actually '''fish''' because they don't have a [[backbone]], gillsor scales. ===Examples==={| class="wikitable"|-|[[File:Shark.png|center|200px]] |[[File:Trout.png|center|200px]]|-|A shark is a '''fish''' with very sharp teeth.|A trout is a fish that lives in rivers and lakes.|-|[[File:Tuna.png|center|200px]]|[[File:Clownfish.png|center|200px]]|-|This '''fish''' is called a Tuna.|Clownfish are '''fish''' that live in and around Coral.|} ===Note For Teachers===Be careful not to say that fish breath underwater. Breathing means to inhale and exhale air. Fish get oxygen from the water through their gills, but they don't breath because they do not have lungs. ==Key Stage 2=====Meaning=== A '''fish''' is an [[animal]] with a [[backbone]], gills and wet scales which lays soft [[Egg|eggs]] in the water.===Lifecycle of Fish=== {| class="wikitable"|-|'''Eggs'''|'''Fry'''|'''Adult'''|-|[[File:SalmonEggs.png|center|200px]]|[[File:SalmonYoung.png|center|200px]]|[[File:Salmon.png|center|200px]]|-|Most '''fish''' begin their life in a soft egg, but some are born.|Young '''fish''' begin to eat for themselves. This fry is a young salmon.|An adult '''fish''' often travels to where they hatched to lay their own eggs. This adult is a salmon.|} ==Key Stage 3==An [[animal]] with a [[backbone]] and gills and usually lays [[Egg|eggs]]. ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f298 ''Fish, page 106-7, GCSE Biology; Student Book, Collins, AQA '']:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Fish, pages 307-308, GCSE Biology; Third Edition, Oxford University Press, AQA '']:[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f299 ''Fish; farming, page 366, GCSE Biology; Student Book, Collins, AQA ''] ====OCR====:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Fish, pages 43,101, 165, Gateway GCSE Physics, Oxford, OCR '']