Cnidarians
Mollusks
Echinoderms
Classes
???
100
The type of symmetry seen in cnidarians
What is radial symmetry?
100
The type of symmetry seen in mollusks.
What is bilateral symmetry?
100
The type of symmetry seen in echinoderms.
What is pentaradial symmetry?
100
The class of the sea stars
What is Asteroidea?
100
The group of animals that cnidarians, mollusks, and echinoderms all belong to.
What are invertebrates?
200
The pelagic body form of cnidarians
What is a medusa?
200
The tongue like feeding structure used by mollusks
What is the radula?
200
The special system for movement that is unique to echinoderms.
What is the water vascular system?
200
The class of echinoderm that has only few ossicles in its body rather than a fully formed endoskeleton.
What is class holothuroidea?
200
The phylum that comb jellies are in.
What is Ctenophora?
300
The name of the defining characteristic of cnidarians.
What are stinging cells? (Cnidoblasts)
300
Three thigns that mollusks have in common
What are a foot, mantle, and soft body?
300
The small projections that enable breathing in echinoderms.
What are skin gills?
300
The class of the TRUE jellies
What is Scyphozoa?
300
What happens when you cut a sea star in half.
What is regeneration & the possibility of two sea stars forming?
400
The coiled thread with a barb at the end that shoots out and injects toxins into prey.
What is the nematocyst?
400
Four types of animals in class Bivalvia
What are clams, oysters, mussels, and scallops?
400
The meaning of the word echinodermata
What is "spiny-skin"?
400
The class that contains the chitons
What is polyplacophora?
400
The differences in nervous systems between cnidarians, mollusks, and echinoderms.
What are the nerve net in cnidarians, a brain in most mollusks, and a nerve ring in echinoderms
500
Two part answer: The cnidarian class with no pelagic life stage. The name of the benthic life stage in cnidarians
What is class Anthozoa and polyp?
500
Defense techniques used by mollusks. (Name 2)
What are having a hard shell, engulfing toxins from prey, using camouflage, and releasing ink?
500
Draw a diagram of the water vascular system and label 3 parts.
What is the water vascular system? Includes tube feet, ampulla, radial canal, stone canal, ring canal, and madreporite (sieve plate).
500
The two sub classes of gastropoda, including an example of an animal that belongs to each of those classes.
What is Opisthobranch- sea slugs and Prosobranch- sea snails?
500
The three classes of echinoderm (other than Asteroidea & Holothuroidea) and the common names of the animals in those classes.
What are Echinoidea- sea urchins, sand dollars, sea biscuits; Crinoidea- sea lilies, feather stars; and Ophiuroidea- brittle stars, basket stars?
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