The type of symmetry seen in echinoderms
What is radial symmetry? (or pentaradial or 5-part radial)
The type of symmetry seen in mollusks.
What is bilateral symmetry?
The type of symmetry seen in arthropods
What is bilateral symmetry?
The class that this echinoderm is in

What is Holothuroidea?
What do echinoderms, arthropods, and mollusks all have in common?
They are all invertebrates
The type of reproduction used by crustaceans.
What is sexual reproduction? (typically internal fertilization)
The meaning of the word echinodermata
What is "spiny-skin"?
The tongue like feeding structure used by mollusks
What is the radula?
The two features all Arthropods have.
What is an exoskeleton & jointed appendages?
The class of echinoderm that has a stomach that can be extruded from the body for feeding.
What is Asteroidea?
Digestion in most echinoderms, arthropods, and mollusks is this type of digestion.
What is one-way digestion?
Type of reproduction used by echinoderms.
Sexual reproduction with external fertilization (some can reproduce asexually as well).
The special system for movement and/or feeding that is unique to echinoderms.
What is the water vascular system?
Three things that mollusks have in common.
What are a foot, mantle, and soft body?
The process all arthropods must go through to shed their exoskeleton, and the reason they must go through that process.
What is Molting & important for growth & reproduction?
The class that has a closed circulatory system, use camouflage, and a foot modified into arms & tentacles.
What is class cephalopoda?
How is the nervous system of mollusks similar to the nervous system of arthropods?
Can have brains and well developed sensory organs.
The type of reproduction used by mollusks. (double points if you include the different classes).
What is sexual reproduction? Some classes used internal fertilization (Cephalopoda, Gastropoda), some use external fertilization (Bivalvia, Scaphopoda, Polyplacophora).
The two classes of echinoderm that use tube feet for feeding rather than movement.
What are Ophiuroidea and Crinoidea?
This body structure is used for digging in Scaphopoda & some bivalves
What is the foot?
Two marine arthropods that are chelicerates (NOT crustaceans)
What are the horseshoe crab & sea spider
The class that contains the chitons and the main feature of that class.
What is polyplacophora? They have 8 shell plates.
The phylum with the most appendages.
This happens when you cut a sea star in half.
What is regeneration & the possibility of two sea stars forming?
The class that has fused skeletons and use both tube feet & spines for movement. Also include the common name(s) of the animals in this class.
What is Echinoidea? Sea urchins & Sand Dollars
Three types of animals in class Bivalvia and the main trait of the class.
What are clams, oysters, mussels, and scallops? Two hinged Shells/ flattened bodies.
FIVE examples of crustaceans
lobsters, crabs, shrimp, krill, isopods, copepods, amphipods, etc.
The common name(s) of the animals in class Crinoidea.
What are sea lilies and feather stars?
One (or more) feature(s) from each phyla (Echinoderm, mollusk, arthropod) that would help you to identify it.
Echinoderms- water vascular system & 5-part symmetry
Mollusk- Radula, mantle, foot, shell
Arthropods- Jointed appendages & exoskeleton
What makes barnacles different from other crustaceans?
They use cement to stick to surfaces ( they can't move as adults)