Fish
Sharks & Rays
Crustaceans
Mollusks
Cephalopods
100
Fish must have these two things to be considered a fish.
What are fins (for swimming) and gills (for breathing?)
100
The scales of sharks and rays are like these.
What are teeth?
100
These are a crustacean's claws.
What are chelipeds?
100
These kinds of mollusks have a shell that has two halves.
What are bivalves?
100
This is the two-word definition of cephalopod.
What is "head foot?"
200
This is the fish shape that is designed for fast swimming.
What is the fusiform shape?
200
Sharks and rays sink when they are not swimming. Why is this? What are they lacking?
What is a swim bladder?
200
These are small mouth parts that a crustacean uses to hold, touch and taste food.
What are maxillipeds?
200
These kinds of mollusks have shells that are in one piece.
What are gastropods?
200
A cephalopod has this kind of mouth.
What is a beak?
300
This helps fish to stay buoyant in the water.
What is the swim bladder?
300
This means, "without jaw."
What is Agnatha?
300
These act as paddles that help to propel a crustacean through the water, and they are used by female crustaceans to hold eggs.
What are swimmerets?
300
This is the "door" that can be used to close a gastropod's shell.
What is an operculum?
300
Cephalopods swim by using this.
What is jet propulsion?
400
This part of a fish senses tiny vibrations that travel through the water.
What is the lateral line?
400
These are found on a shark and detect the electrical signals being given off by the animals in the water, which helps the shark to hunt.
What is ampullae of Lorenzini?
400
These give crustaceans a strong sense of touch and taste.
What are the antennae?
400
This term means, "stomach foot."
What is gastropod?
400
This is what a squid usually does after it mates or lays eggs.
What is dies?
500
This is the term used to describe when a female fish lays eggs and then a male fish fertilizes them.
What is spawning?
500
This is the term that means cartilaginous fish.
What is Chrondrichthyes?
500
This word means "jointed foot."
What is arthropod?
500
This is a jagged organ with many denticles that a mollusk uses to get food.
What is a radula?
500
These two things are different about the nautilus compared to other cephalopods.
What is more arms and external shell?
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