Phylum Mollusca
The class containing animals with two parts to their shell
What is class bivalvia?
Four types of animals in class chondrichthyes
What are sharks, skates, rays and chimeras?
Name an animal in this class
What is: any fish with calcium bones
Name three animals in this phylum
What are whales, porpoises and dolphins?
Name three animals in this phylum
What are: jellyfish, box jellies, anemones, corals, hydroids?
Class containing animals with a single-part shell
What is class gastropoda?
A threat sharks face
What is shark finning, pollution, overfishing?/
Term for the tail fin of a fish
What is the caudal fin?
The largest whale species
What is the Blue Whale?
The two defining characteristics of this phylum
What are radial symmetry and stinging cells?
Name a shell-less mollusk
What is: octopus, cuttlefish, nudibranch, sea hare, squid?
Two ways a shark stays bouyant
1. low density cartilage skeleton
2. streamlined shape for minimal drag
3. large fins for lift
4. large oily liver
The four stages of fish development
What are: egg, larvae, juvenile, adult
Two reasons whales sing
What are: to find mates, to find food (echolocation), possibly for fun?
What is bell? (made of mesoglea)
Four characteristics defining phylum mollusca
1. Calcium shell
2. Mantle
3. Radula
4. Muscular foot
Describe the role of sharks in the ecosystem
Term for the short fins on the sides of the fish below the gills
What are pectoral fins?
Type of whale that feeds on large prey (mammals and fish)
What are odontoceti (toothed whales)?
Term for the long arms of a jellyfish bearing stinging cells
What are Oral Arms?
Class containing chitons
What is class Polyplacophora?
Term for the electro-reception sense of chondrichthyes
What are Ampullae de Lorenzini?
The purpose of the lateral line
What is for sensing surroundings and pressure variations
Type of whale that feeds with baleen
What are mysticeti whales (baleen whales)?
Technical term for the stinging cells of a cnidarian
What are nematocysts or cnidocytes?