INPUT 2
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Vertebrates
Vertebrates are animals that have a backbone.
There are 5 main subgroups of vertebrates which includemammals, birds, fish, amphibians and
reptiles.
Below you will find some interesting characteristics that belong to each subgroup.
Invertebrates
Invertebrates are animals that do not have a backbone.
It is believed that approximately 97% of all animals are invertebrates.
Although there
are many subgroups of invertebrates, some of the most common subgroups include sponges, mollusks, annelids and arthropods.
OUTPUT 2
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