Card Set Information
characteristic and phylum of flatworms:
is the phylum.
Flatworms lack a cavity(lack of coelem) beetwen the digestive system and outer body wall.
The three CLASS of Platyhelminthes and examples of each one.
Tapeworms- taenia scolex and mature proglottid
what's the phylum of brachiopods and a characteristic
The phylum is
- they have true coelem
Inarticulata (primitive brachiopods) lack teeth:
Articulata- lamp shells brachiopods (articulating valve
s) have teeth:
the two classes of lophophorates:
Articulata y Inarticulata
What's the PHYLUM the CLASS of snails, clams, and cephalopods?
The phylum is Mollusca- snails,clams, cephalopods
Class- Polyplacophora- chitons (shell with 8 plates and no head)
Class- Gastropoda- snails and slugs(babosas)
Class- Cephalopoda- squids/octopuses (closed circulatory systems)
The Phylum of segmented worms and the types of classes:
: Annelida- segemnted worms
Polychaeta- Bristle worms- free living marine sand worms
C- Hirudinea- parasitic and predatory leeches
Oligochaeta- few bristles- earthworms and fresh water annelids