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==Key Stage 2=====Meaning===An '''invertebrate''' is an [[animal]] without a [[backbone]].===About Invertebrates===: There are many different kinds of '''invertebrate''' [[Animal|animals]].: Some '''invertebrates''' have exoskeletons, which is a hard bony shell on the outside.: Some invertebrates have no bones at all and just use muscles to move. ===Examples===: There are many different kinds of '''invertebrates'''. Below are just 5 but there are many more.{| class="wikitable"|[[File:InvertebrateClassification.png|center|1050px]]|}{| class="wikitable"|+ None of these animals have a backbone so they are examples of invertebrates.|[[File:Fly.png|center|200px]]|[[File:Spider.png|center|200px]]|[[File:Earthworm.png|center|200px]]|[[File:Snail.png|center|200px]]|[[File:Crab.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |Flies [[insect]]s which are a type of '''invertebrate''' with 6 jointed legs.| style="height:20px; width:200px; text-align:center;" |Spiders are [[arachnid]]s which are a type of '''invertebrate''' with 8 jointed legs.| style="height:20px; width:200px; text-align:center;" |Earthworms are [[worm]]s which are a type of '''invertebrate''' with a long tube like body and no legs.| style="height:20px; width:200px; text-align:center;" |Snails are [[mollusc]]s which are a type of '''invertebrate''' with a muscular body. They also sometimes have a shell.| style="height:20px; width:200px; text-align:center;" |Crabs are [[crustacean]]s which are a type of '''invertebrate''' with muscular bodies with an [[exoskeleton]] and 8 jointed legs.|} ===References=======Edexcel==== :[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Invertebrates, pages 50, 187, GCSE Biology, Pearson, Edexcel '']