Bio1151 Chapter 33 9
  1. Invertebrates do not have a            , and account for 95% of known animal species.

     
  2. Phyla             and            are the multicellular sponges (formerly Porifera) that lack true tissues.
     
  3. Phylum             belongs in the clade with true tissues called             .







     
  4. Most Eumetazoa belong to the clade              and exhibit              symmetry and triploblastic embryonic development.
     
  5. Phylum                    are flatworms with a gastrovascular cavity.



     
  6. Phylum             are roundworms with a                .


     
  7. Phylum             are soft-bodied animals.





     
  8. Phylum             are segmented worms with a true          .



     
  9. Phylum               have              bodies.





     
  10. Phylum                  are                 .







     
    Summary: