INVERTEBRATES

INVERTEBRATES

Invertebrate animals don't have a backbone. 

We can classifiy them into two groups: arthropods and molluscs. 

Arthropods: have jointed limbs and segmented bodies. Some of them have antennae. They have an externar armour that protects their bodies, it is called, exoeskeleton. 

Molluscs: they have a soft body. Some of them have got a shell. Some of them have got tentacles. 

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