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Marine Biology Chapter 6: Study Guide
• Vocabulary
Animals
Animalia
Vertebrates
Backbone
Vertebrae
Invertebrates
Sponges
• Vocabulary
Sponges
Sessile
Porifera
Pore cells/porocytes
Collar cells
Osculum
Suspension feeders
Filter feeders
Spicules
Spongin
Encrusting sponges
Glass sponges
Boring sponges
Coralline sponges
Bath sponges
• Know the general characteristics of a sponge including basic structure
• Know the differences between the five types of sponges
Cnidarians
• Vocabulary
Cnidarians
Radial symmetry
Oral surface
Aboral surface
Polyp
Medusa
Tentacles
Nematocysts
Ectoderm
Endoderm
Hydrozoans
Scyphozoans
Anthozoans
• Know the general characteristics of a cnidarian including basic structure
• Be able to recognize the two body plans: polyp or medusa
• Know the differences between the three main types of cnidarians
• Know the blue box The Case of the Killer Cnidarians on page 110
Bilaterally Symmetrical Worms
• Vocabulary
Bilateral symmetry
Posterior
Anterior
Dorsal
Ventral
Flatworms
Parasites
Tapeworms
Ribbon worms
Proboscis
Nematodes
Roundworms
Segmented worms
Annelids
Segmentation
Parapodia
• Know the general characteristics of a bilaterally symmetrical worm
• Know the differences between flatworms, ribbon worms, nematodes and
segmented worms
• Know the blue box How to Discover a New Phylum on page 114
Molluscs
• Vocabulary
Molluscs
Radula
Foot
Gastropods
Sea slugs
Bivalves
Siphons
Byssal threads
Cephalopods
