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Invertebrates (Invertebrates are a group of animals without backbone.…
Invertebrates
Invertebrates are a group of animals without backbone.
Body plan symmetry
Asymmetry
Symmetry
Sponges are the most simple group of invertebrates.
Filtration
Tiny spores
Skeleton
Cnidarians
Arthropods
Insects
Echinoderms
Aquatic enviroments
Terrestian enviroments
echinoderms are marine invertebrates with radial symmetry.
Arachnids
Crustaceans
The main groups of arthropods are arachnids, crustaceans and myriapods.
Worms
Platyhelminthes
Nematodes
Annelids
Molluscs
Gastropods
They are hervibore it has a one- pieze spiral-shaped shell.
Bivaldes
They have black shell
Cephalopods
It is a caarnivore
Parts of the warms
Annelids are soft and long and their body is divided into rings.
The head does not stand out from the of its body becouse all of its rings are similar.
They are hemaphrodites
