Usually has a soft body and a thin layer called a mantle
Have on body symmetry and no tissues or organs
Animals with long, narrow bodies, some are parasitic
Have radial symmetry, include sea stars
Uses stinging cells to capture food
have external skeletons, segmented bodies, and jointed legs
Vertebrates belong to phylum
All of these are characteristics of vertebrates EXCEPT
An egg laying mammal is called a
Amphibians
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