Key Stage 2
Meaning
An invertebrate is an animal without a backbone.
About Invertebrates
- There are many different kinds of invertebrate 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.
None of these animals have a backbone so they are examples of invertebrates.
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| Flies insects which are a type of invertebrate with 6 jointed legs.
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Spiders are arachnids which are a type of invertebrate with 8 jointed legs.
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Earthworms are worms which are a type of invertebrate with a long tube like body and no legs.
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Snails are molluscs which are a type of invertebrate with a muscular body. They also sometimes have a shell.
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Crabs are crustaceans which are a type of invertebrate with muscular bodies with an exoskeleton and 8 jointed legs.
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References
Edexcel
- Invertebrates, pages 50, 187, GCSE Biology, Pearson, Edexcel
