Unit 5: The Evolutionary History of Diversity Extras  Study Guide

Chapter 33 Invertebrates Review
  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 .
bio1151 Home +space -space Jun 22, 2011 Print Print