Echinoderms
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?
What do echinoderms, arthropods, and mollusks all have in common?
They are all invertebrates
The number of body parts and pairs of legs of arachnids.
What are 2 body parts and 4 pair of legs.
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?
Digestion in most echinoderms, arthropods, and mollusks is this type of digestion.
What is one-way digestion?
The number of body parts and pairs of legs of hexapods (insects).
What are three body parts and 3 pairs of legs?
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?
How is the nervous system of mollusks similar to the nervous system of arthropods?
Can have brains and well developed sensory organs.
The three sub-phylum of mollusks.
What are Cephalopoda, Gastropoda, and Bivalvia, .
Name two other Echinoderms that belong to the same sub-phylum as sea urchins
What are sand dollars and sea cucumbers?
This body structure is used for digging in gastropods & some bivalves
What is the foot?
Two marine arthropods that are chelicerates (NOT crustaceans)
What are the horseshoe crab & sea spider
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 skin of Echinoderms is supported by a spiny internal skeleton or ___________ made of plates that contain calcium.
What is endoskeleton?
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.
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 are sessile and stick to surfaces ( they can't move as adults)