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Fishes
Scientists group
fish
into
three main types
. They are divided into these groups because of the structure of their mouths and the
types
of skeletons they have. There are jawless
fishes
, cartilaginous
fishes
, and bony
fishes
.
Home
Poriferans
Cnidarians
Platyhelminthes
Nematodes
Annelids
Molluscs
Arthropods
Echinoderms
Fishes
Amphibians
Reptiles
Birds
Mammals
Presentations