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Difference between revisions of "Invertebrate"

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| 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.
 
| 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.
 
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===References===
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====Edexcel====
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:[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 '']

Latest revision as of 16:52, 21 November 2019

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.
InvertebrateClassification.png
None of these animals have a backbone so they are examples of invertebrates.
Fly.png
Spider.png
Earthworm.png
Snail.png
Crab.png
Flies insects which are a type of invertebrate with 6 jointed legs. Spiders are arachnids which are a type of invertebrate with 8 jointed legs. Earthworms are worms which are a type of invertebrate with a long tube like body and no legs. Snails are molluscs which are a type of invertebrate with a muscular body. They also sometimes have a shell. Crabs are crustaceans which are a type of invertebrate with muscular bodies with an exoskeleton and 8 jointed legs.

References

Edexcel

Invertebrates, pages 50, 187, GCSE Biology, Pearson, Edexcel