Bugs, Slugs and Crud

15 Points Per Correct Answer - No time limit  

1. Jellyfishes, sea anemones, and their relatives have___________ symmetry, and their cells form ______________ radial, tissues bilateral, tissues radial, mesoderm bilateral, mesoderm

2. In sheer numbers and distribution, ____________ are the most successful animals. sea stars sponges arthropods snails and clams

3. Bilateral, segmented bodies and hardened exoskeletons occur among the _________. sea stars sponges arthropods snails and clams

4. Which phylum contains members that are notorious for causing serious diseases in humans? flatworms segmented worms cnidarians chordates

5. More complex animals have a ___________ between the gut and body wall. archenteron pharynx coelom planula

6. Most animals that are more complex than cnidarians have ____________ symmetry, and ___________ forms in their embryos. radial, endoderm radial, mesoderm bilateral, mesoderm bilateral, endoderm

7. Spiny skinned refers to which group of invertebrates? sponges cnidarians echinoderms mollusks

8. The description jointed appendages refers to which group of invertebrates? vertebrates echinoderms arthropods cnidarians

9. Flukes and tapeworms belong to this group of invertebrates. Mollusks Roundworms Flatworms Annelids

10. The ______________ are considered to be the most intelligent group of mollusks. cephalopods bivalves gastropods chordates